Published in Basic Clin Pharmacol Toxicol on March 01, 2006
Azithromycin and the risk of cardiovascular death. N Engl J Med (2012) 8.18
Atypical antipsychotic drugs and the risk of sudden cardiac death. N Engl J Med (2009) 7.89
Improving propensity score weighting using machine learning. Stat Med (2010) 4.22
Outcomes with concurrent use of clopidogrel and proton-pump inhibitors: a cohort study. Ann Intern Med (2010) 2.90
Smoking cessation treatment and risk of depression, suicide, and self harm in the Clinical Practice Research Datalink: prospective cohort study. BMJ (2013) 2.86
ADHD medications and risk of serious cardiovascular events in young and middle-aged adults. JAMA (2011) 2.77
Treatment effects in the presence of unmeasured confounding: dealing with observations in the tails of the propensity score distribution--a simulation study. Am J Epidemiol (2010) 2.74
Relative effectiveness of osteoporosis drugs for preventing nonvertebral fracture. Ann Intern Med (2008) 2.40
A most stubborn bias: no adjustment method fully resolves confounding by indication in observational studies. J Clin Epidemiol (2009) 2.33
Intravenous immunoglobulin in children with streptococcal toxic shock syndrome. Clin Infect Dis (2009) 2.09
Propensity-matched mortality comparison of incident hemodialysis and peritoneal dialysis patients. J Am Soc Nephrol (2010) 2.08
Acid-suppressive medication use and the risk for nosocomial gastrointestinal tract bleeding. Arch Intern Med (2011) 1.81
Propensity score estimation: neural networks, support vector machines, decision trees (CART), and meta-classifiers as alternatives to logistic regression. J Clin Epidemiol (2010) 1.75
Weight trimming and propensity score weighting. PLoS One (2011) 1.72
Different methods of balancing covariates leading to different effect estimates in the presence of effect modification. Am J Epidemiol (2009) 1.60
Oseltamivir shortens hospital stays of critically ill children hospitalized with seasonal influenza: a retrospective cohort study. Pediatr Infect Dis J (2011) 1.59
Association of β-blocker exposure with outcomes in heart failure differs between African American and white patients. Circ Heart Fail (2012) 1.55
Effectiveness of seasonal vaccine in preventing confirmed influenza-associated hospitalizations in community dwelling older adults. J Infect Dis (2011) 1.54
Off-pump versus on-pump coronary artery bypass grafting outcomes stratified by preoperative renal function. J Am Soc Nephrol (2012) 1.50
Nonexperimental comparative effectiveness research using linked healthcare databases. Epidemiology (2011) 1.50
The role of the c-statistic in variable selection for propensity score models. Pharmacoepidemiol Drug Saf (2010) 1.45
Preadmission metformin use and mortality among intensive care patients with diabetes: a cohort study. Crit Care (2013) 1.40
Comparative effectiveness of oxaliplatin vs non-oxaliplatin-containing adjuvant chemotherapy for stage III colon cancer. J Natl Cancer Inst (2012) 1.39
Role of disease risk scores in comparative effectiveness research with emerging therapies. Pharmacoepidemiol Drug Saf (2012) 1.32
Confounder summary scores when comparing the effects of multiple drug exposures. Pharmacoepidemiol Drug Saf (2010) 1.31
Privacy-maintaining propensity score-based pooling of multiple databases applied to a study of biologics. Med Care (2010) 1.25
Comparative effectiveness research in lung diseases and sleep disorders: recommendations from the National Heart, Lung, and Blood Institute workshop. Am J Respir Crit Care Med (2011) 1.19
Prescription Opioids in Adolescence and Future Opioid Misuse. Pediatrics (2015) 1.19
Relationship between thiazolidinedione use and cardiovascular outcomes and all-cause mortality among patients with diabetes: a time-updated propensity analysis. Pharmacoepidemiol Drug Saf (2009) 1.18
Future directions for cardiovascular disease comparative effectiveness research: report of a workshop sponsored by the National Heart, Lung, and Blood Institute. J Am Coll Cardiol (2012) 1.09
High-dimensional versus conventional propensity scores in a comparative effectiveness study of coxibs and reduced upper gastrointestinal complications. Eur J Clin Pharmacol (2012) 1.09
Propensity scores for confounder adjustment when assessing the effects of medical interventions using nonexperimental study designs. J Intern Med (2014) 1.06
Reducing wasting in young children with preventive supplementation: a cohort study in Niger. Pediatrics (2010) 1.04
Use of varenicline for smoking cessation and risk of serious cardiovascular events: nationwide cohort study. BMJ (2012) 1.00
Increase in single-tablet regimen use and associated improvements in adherence-related outcomes in HIV-infected women. J Acquir Immune Defic Syndr (2014) 1.00
Dialysis versus nondialysis in patients with AKI: a propensity-matched cohort study. Clin J Am Soc Nephrol (2014) 0.99
Cancer incidence among those initiating insulin therapy with glargine versus human NPH insulin. Diabetes Care (2013) 0.97
Benefits of intensive insulin therapy on neuromuscular complications in routine daily critical care practice: a retrospective study. Crit Care (2009) 0.96
Biased parameter estimates and inflated Type I error rates in analysis of covariance (and analysis of partial variance) arising from unreliability: alternatives and remedial strategies. J Abnorm Psychol (2010) 0.94
Depression, neighborhood deprivation and risk of type 2 diabetes. Health Place (2013) 0.93
Utilization of health care databases for pharmacoepidemiology. Eur J Clin Pharmacol (2011) 0.92
Tumor necrosis factor α inhibitor therapy and cancer risk in chronic immune-mediated diseases. Arthritis Rheum (2013) 0.92
Active safety monitoring of new medical products using electronic healthcare data: selecting alerting rules. Epidemiology (2012) 0.91
Improving propensity score estimators' robustness to model misspecification using super learner. Am J Epidemiol (2014) 0.90
Antidepressant use and cognitive deficits in older men: addressing confounding by indications with different methods. Ann Epidemiol (2011) 0.87
Long-term Prescription of Opioids and/or Benzodiazepines and Mortality Among HIV-Infected and Uninfected Patients. J Acquir Immune Defic Syndr (2015) 0.86
Confronting "confounding by health system use" in Medicare Part D: comparative effectiveness of propensity score approaches to confounding adjustment. Pharmacoepidemiol Drug Saf (2012) 0.86
Clopidogrel and proton pump inhibitors--where do we stand in 2012? World J Gastroenterol (2012) 0.85
Costs of treating children with complicated pneumonia: a comparison of primary video-assisted thoracoscopic surgery and chest tube placement. Pediatr Pulmonol (2010) 0.85
Prenatal glucocorticoid treatment and later mental health in children and adolescents. PLoS One (2013) 0.85
Disease risk score as a confounder summary method: systematic review and recommendations. Pharmacoepidemiol Drug Saf (2012) 0.85
Comparative gastrointestinal safety of weekly oral bisphosphonates. Osteoporos Int (2009) 0.85
Propoxyphene and the risk of out-of-hospital death. Pharmacoepidemiol Drug Saf (2013) 0.85
Individualized Absolute Risk Calculations for Persons with Multiple Chronic Conditions: Embracing Heterogeneity, Causality, and Competing Events. Int J Stat Med Res (2016) 0.85
Thymectomy for non-thymomatous myasthenia gravis: a propensity score matched study. Orphanet J Rare Dis (2014) 0.84
Propensity score methods and unobserved covariate imbalance: comments on "squeezing the balloon". Health Serv Res (2014) 0.83
Comparative effectiveness of calcium acetate and sevelamer on clinical outcomes in elderly hemodialysis patients enrolled in Medicare part D. Am J Kidney Dis (2013) 0.83
Effect of ezetimibe on major atherosclerotic disease events and all-cause mortality. Am J Cardiol (2012) 0.83
The impact of hospital-acquired infection on outcome in acute pancreatitis. Gastroenterology (2008) 0.83
Effects of aggregation of drug and diagnostic codes on the performance of the high-dimensional propensity score algorithm: an empirical example. BMC Med Res Methodol (2013) 0.83
A comparison of confounding adjustment methods for assessment of asthma controller medication effectiveness. Am J Epidemiol (2014) 0.81
Association between angiotensin converting enzyme inhibitor or angiotensin receptor blocker use prior to major elective surgery and the risk of acute dialysis. BMC Nephrol (2014) 0.81
A comparison of confounding adjustment methods with an application to early life determinants of childhood obesity. J Dev Orig Health Dis (2014) 0.81
Association of Opioids with Falls, Fractures, and Physical Performance among Older Men with Persistent Musculoskeletal Pain. J Gen Intern Med (2016) 0.81
Propensity Score Calibration and its Alternatives. Am J Epidemiol (2007) 0.80
Effect of β-blockers on cardiac and pulmonary events and death in older adults with cardiovascular disease and chronic obstructive pulmonary disease. Med Care (2014) 0.80
One-year risk of psychiatric hospitalization and associated treatment costs in bipolar disorder treated with atypical antipsychotics: a retrospective claims database analysis. BMC Psychiatry (2011) 0.80
Gynecologic cancer outcomes in the elderly poor: A population-based study. Cancer (2015) 0.80
Controlling Time-Dependent Confounding by Health Status and Frailty: Restriction Versus Statistical Adjustment. Am J Epidemiol (2015) 0.80
Investigating differences in treatment effect estimates between propensity score matching and weighting: a demonstration using STAR*D trial data. Pharmacoepidemiol Drug Saf (2012) 0.80
Demystifying propensity scores. Br J Anaesth (2014) 0.80
Early intravenous unfractionated heparin and outcome in acute lung injury and acute respiratory distress syndrome: a retrospective propensity matched cohort study. BMC Pulm Med (2012) 0.79
Cardiovascular outcomes associated with concomitant use of clopidogrel and proton pump inhibitors in patients with acute coronary syndrome in Taiwan. Br J Clin Pharmacol (2012) 0.78
Patent foramen ovale. Incidental patent foramen ovale during cardiothoracic surgery: to repair or not to repair? Rev Cardiovasc Med (2010) 0.78
Fractures in users of antidepressants and anxiolytics and sedatives: effects of age and dose. Osteoporos Int (2012) 0.78
Addition of a fracture risk assessment to a coordinator's role improved treatment rates within 6 months of screening in a fragility fracture screening program. Osteoporos Int (2016) 0.77
Oral fluoroquinolone use and serious arrhythmia: bi-national cohort study. BMJ (2016) 0.77
Review on the effects of influenza vaccination during pregnancy on preterm births. Hum Vaccin Immunother (2015) 0.76
Construction and Characterization of a Population-Based Cohort to Study the Association of Anesthesia Exposure with Neurodevelopmental Outcomes. PLoS One (2016) 0.76
Trends in Nonlipid Cardiovascular Disease Risk Factor Management in the Women's Interagency HIV Study and Association with Adherence to Antiretroviral Therapy. AIDS Patient Care STDS (2016) 0.75
Male, But Not Female, Alcohol-Dependent African Americans Discount Delayed Gains More Steeply than Propensity-Score Matched Controls. Psychopharmacology (Berl) (2015) 0.75
Reduced risk of all-cancer and solid cancer in Taiwanese patients with rheumatoid arthritis treated with etanercept, a TNF-α inhibitor. Medicine (Baltimore) (2017) 0.75
On the use of propensity scores in case of rare exposure. BMC Med Res Methodol (2016) 0.75
Impact of Adjuvant Chemotherapy on Breast Cancer Survival: A Real-World Population. PLoS One (2015) 0.75
New methods for determining comparative effectiveness in rheumatoid arthritis. Curr Opin Rheumatol (2013) 0.75
Determinants of saxagliptin use among patients with type 2 diabetes mellitus treated with oral anti-diabetic drugs. BMC Pharmacol Toxicol (2015) 0.75
Comparative Effectiveness of Beta-lactam Versus Macrolide Monotherapy in Children with Pneumonia Diagnosed in the Outpatient Setting. Pediatr Infect Dis J (2015) 0.75
Severity of ASD symptoms and their correlation with the presence of copy number variations and exposure to first trimester ultrasound. Autism Res (2016) 0.75
More realistic power estimation for new user, active comparator studies: an empirical example. Pharmacoepidemiol Drug Saf (2015) 0.75
ISPOR Health Policy Council proposed Good Research Practices for comparative effectiveness research: benefit or harm? Value Health (2009) 0.75
Use and Interpretation of Propensity Scores in Aging Research: A Guide for Clinical Researchers. J Am Geriatr Soc (2016) 0.75
Risk of Suicidal Events With Atomoxetine Compared to Stimulant Treatment: A Cohort Study. Pediatrics (2016) 0.75
Incident user cohorts for assessing medication cost-offsets. Health Serv Res (2014) 0.75
What are the effects of varenicline compared with nicotine replacement therapy on long-term smoking cessation and clinically important outcomes? Protocol for a prospective cohort study. BMJ Open (2015) 0.75
Comparison of diagnostic evaluations for cough among initiators of angiotensin converting enzyme inhibitors and angiotensin receptor blockers. Pharmacoepidemiol Drug Saf (2016) 0.75
Comparative Effectiveness of Oxaliplatin Versus 5-flourouricil in Older Adults: An Instrumental Variable Analysis. Epidemiology (2015) 0.75
Hepatic outcomes among adults taking duloxetine: a retrospective cohort study in a US health care claims database. BMC Gastroenterol (2015) 0.75
Multivariable prognostic models: issues in developing models, evaluating assumptions and adequacy, and measuring and reducing errors. Stat Med (1996) 46.18
Marginal structural models and causal inference in epidemiology. Epidemiology (2000) 33.54
Propensity score methods for bias reduction in the comparison of a treatment to a non-randomized control group. Stat Med (1998) 32.43
A simulation study of the number of events per variable in logistic regression analysis. J Clin Epidemiol (1996) 20.25
Estimating causal effects from large data sets using propensity scores. Ann Intern Med (1997) 19.65
Variable selection for propensity score models. Am J Epidemiol (2006) 10.68
Invited commentary: propensity scores. Am J Epidemiol (1999) 7.81
A review of the application of propensity score methods yielded increasing use, advantages in specific settings, but not substantially different estimates compared with conventional multivariable methods. J Clin Epidemiol (2005) 7.31
Results of multivariable logistic regression, propensity matching, propensity adjustment, and propensity-based weighting under conditions of nonuniform effect. Am J Epidemiol (2005) 6.20
Non-steroidal anti-inflammatory drugs and risk of serious coronary heart disease: an observational cohort study. Lancet (2002) 5.17
Stratification by a multivariate confounder score. Am J Epidemiol (1976) 4.58
Rare outcomes, common treatments: analytic strategies using propensity scores. Ann Intern Med (2002) 4.38
Comparison of logistic regression versus propensity score when the number of events is low and there are multiple confounders. Am J Epidemiol (2003) 4.27
Propensity score methods gave similar results to traditional regression modeling in observational studies: a systematic review. J Clin Epidemiol (2005) 3.76
On principles for modeling propensity scores in medical research. Pharmacoepidemiol Drug Saf (2004) 3.65
Analytic strategies to adjust confounding using exposure propensity scores and disease risk scores: nonsteroidal antiinflammatory drugs and short-term mortality in the elderly. Am J Epidemiol (2005) 3.33
Adjusting effect estimates for unmeasured confounding with validation data using propensity score calibration. Am J Epidemiol (2005) 2.55
Paradoxical relations of drug treatment with mortality in older persons. Epidemiology (2001) 2.52
Weaknesses of goodness-of-fit tests for evaluating propensity score models: the case of the omitted confounder. Pharmacoepidemiol Drug Saf (2005) 2.22
Some insights into Miettinen's multivariate confounder score approach to case-control study analysis. Epidemiol Community Health (1979) 1.62
Performance of tests of significance based on stratification by a multivariate confounder score or by a propensity score. J Clin Epidemiol (1989) 1.58
Asymmetric stratification. An outline for an efficient method for controlling confounding in cohort studies. Am J Epidemiol (1988) 1.12
Variable selection for propensity score models. Am J Epidemiol (2006) 10.68
Risk of death in elderly users of conventional vs. atypical antipsychotic medications. N Engl J Med (2005) 8.44
A review of the application of propensity score methods yielded increasing use, advantages in specific settings, but not substantially different estimates compared with conventional multivariable methods. J Clin Epidemiol (2005) 7.31
Accuracy of Medicare claims-based diagnosis of acute myocardial infarction: estimating positive predictive value on the basis of review of hospital records. Am Heart J (2004) 6.57
Intensity-modulated radiation therapy, proton therapy, or conformal radiation therapy and morbidity and disease control in localized prostate cancer. JAMA (2012) 5.90
Association between the choice of IV crystalloid and in-hospital mortality among critically ill adults with sepsis*. Crit Care Med (2014) 5.89
Full coverage for preventive medications after myocardial infarction. N Engl J Med (2011) 4.51
The comparative safety of analgesics in older adults with arthritis. Arch Intern Med (2010) 4.47
A combined comorbidity score predicted mortality in elderly patients better than existing scores. J Clin Epidemiol (2011) 3.98
Anticonvulsant medications and the risk of suicide, attempted suicide, or violent death. JAMA (2010) 3.85
The epidemiology of prescriptions abandoned at the pharmacy. Ann Intern Med (2010) 3.78
Effect of adjuvant chemotherapy on survival of patients with stage III colon cancer diagnosed after age 75 years. J Clin Oncol (2012) 3.63
Evaluating short-term drug effects using a physician-specific prescribing preference as an instrumental variable. Epidemiology (2006) 3.54
Analytic strategies to adjust confounding using exposure propensity scores and disease risk scores: nonsteroidal antiinflammatory drugs and short-term mortality in the elderly. Am J Epidemiol (2005) 3.33
The implications of therapeutic complexity on adherence to cardiovascular medications. Arch Intern Med (2011) 3.27
Cardiovascular outcomes and mortality in patients using clopidogrel with proton pump inhibitors after percutaneous coronary intervention or acute coronary syndrome. Circulation (2009) 3.09
Tumor necrosis factor alpha antagonist use and cancer in patients with rheumatoid arthritis. Arthritis Rheum (2006) 3.04
Association between disease-modifying antirheumatic drugs and diabetes risk in patients with rheumatoid arthritis and psoriasis. JAMA (2011) 3.02
Confounding control in healthcare database research: challenges and potential approaches. Med Care (2010) 3.01
Relationship between selective cyclooxygenase-2 inhibitors and acute myocardial infarction in older adults. Circulation (2004) 2.98
Selective prescribing led to overestimation of the benefits of lipid-lowering drugs. J Clin Epidemiol (2006) 2.81
The comparative safety of opioids for nonmalignant pain in older adults. Arch Intern Med (2010) 2.71
Comparative mortality risk of anemia management practices in incident hemodialysis patients. JAMA (2010) 2.71
The U.S. Food and Drug Administration's Mini-Sentinel program: status and direction. Pharmacoepidemiol Drug Saf (2012) 2.70
Identification of individuals with CKD from Medicare claims data: a validation study. Am J Kidney Dis (2005) 2.65
Performance of propensity score calibration--a simulation study. Am J Epidemiol (2007) 2.56
Adjusting effect estimates for unmeasured confounding with validation data using propensity score calibration. Am J Epidemiol (2005) 2.55
Repeated hospitalizations predict mortality in the community population with heart failure. Am Heart J (2007) 2.55
Medicaid prior-authorization programs and the use of cyclooxygenase-2 inhibitors. N Engl J Med (2004) 2.52
Evaluating uses of data mining techniques in propensity score estimation: a simulation study. Pharmacoepidemiol Drug Saf (2008) 2.42
Relative effectiveness of osteoporosis drugs for preventing nonvertebral fracture. Ann Intern Med (2008) 2.40
Increasing levels of restriction in pharmacoepidemiologic database studies of elderly and comparison with randomized trial results. Med Care (2007) 2.31
Preference-based instrumental variable methods for the estimation of treatment effects: assessing validity and interpreting results. Int J Biostat (2007) 2.24
Evidence of sample use among new users of statins: implications for pharmacoepidemiology. Med Care (2014) 2.22
Testosterone lab testing and initiation in the United Kingdom and the United States, 2000 to 2011. J Clin Endocrinol Metab (2014) 2.18
Treatment of older adult patients diagnosed with rheumatoid arthritis: improved but not optimal. Arthritis Rheum (2007) 2.18
Patterns of medication initiation in newly diagnosed diabetes mellitus: quality and cost implications. Am J Med (2012) 2.13
Assessing health state utilities in elderly patients at cardiovascular risk. Med Decis Making (2006) 2.12
Trends in glyburide compared with insulin use for gestational diabetes treatment in the United States, 2000-2011. Obstet Gynecol (2014) 2.11
Trouble getting started: predictors of primary medication nonadherence. Am J Med (2011) 2.09
Association between the Part D coverage gap and adverse health outcomes. J Am Geriatr Soc (2012) 1.99
GRACE principles: recognizing high-quality observational studies of comparative effectiveness. Am J Manag Care (2010) 1.98
Instrumental variable methods in comparative safety and effectiveness research. Pharmacoepidemiol Drug Saf (2010) 1.96
Immunosuppressive medications and hospitalization for cardiovascular events in patients with rheumatoid arthritis. Arthritis Rheum (2006) 1.95
European healthcare policies for controlling drug expenditure. Pharmacoeconomics (2003) 1.95
Cardiovascular outcomes in new users of coxibs and nonsteroidal antiinflammatory drugs: high-risk subgroups and time course of risk. Arthritis Rheum (2006) 1.94
Potential causes of higher mortality in elderly users of conventional and atypical antipsychotic medications. J Am Geriatr Soc (2008) 1.84
One-to-many propensity score matching in cohort studies. Pharmacoepidemiol Drug Saf (2012) 1.82
Effects of noncardiovascular comorbidities on antihypertensive use in elderly hypertensives. Hypertension (2005) 1.77
Prescription opioid use among older adults with arthritis or low back pain. Arthritis Rheum (2006) 1.77
Effects of adjusting for instrumental variables on bias and precision of effect estimates. Am J Epidemiol (2011) 1.77
Opioid analgesics and the risk of fractures in older adults with arthritis. J Am Geriatr Soc (2011) 1.76
Relationship between COX-2 specific inhibitors and hypertension. Hypertension (2004) 1.75
The implications of propensity score variable selection strategies in pharmacoepidemiology: an empirical illustration. Pharmacoepidemiol Drug Saf (2011) 1.74
Case-control study supports extension of surveillance interval after colonoscopic polypectomy to at least 5 yr. Am J Gastroenterol (2007) 1.74
Instrumental variables I: instrumental variables exploit natural variation in nonexperimental data to estimate causal relationships. J Clin Epidemiol (2009) 1.73
Covariate selection in high-dimensional propensity score analyses of treatment effects in small samples. Am J Epidemiol (2011) 1.72
Agreement of diagnosis and its date for hematologic malignancies and solid tumors between medicare claims and cancer registry data. Cancer Causes Control (2007) 1.66
Doubly robust estimation of causal effects. Am J Epidemiol (2011) 1.66
Influenza vaccine effectiveness in patients on hemodialysis: an analysis of a natural experiment. Arch Intern Med (2012) 1.64
Physician follow-up and provider continuity are associated with long-term medication adherence: a study of the dynamics of statin use. Arch Intern Med (2007) 1.62
Effects of prescription coinsurance and income-based deductibles on net health plan spending for older users of inhaled medications. Med Care (2009) 1.62
Analysis of factors associated with statin adherence in a hierarchical model considering physician, pharmacy, patient, and prescription characteristics. J Manag Care Pharm (2007) 1.62
Propensity score methods for confounding control in nonexperimental research. Circ Cardiovasc Qual Outcomes (2013) 1.62
Different methods of balancing covariates leading to different effect estimates in the presence of effect modification. Am J Epidemiol (2009) 1.60
Comparative effectiveness of intensity-modulated radiotherapy and conventional conformal radiotherapy in the treatment of prostate cancer after radical prostatectomy. JAMA Intern Med (2013) 1.60
Instrumental variable analysis for estimation of treatment effects with dichotomous outcomes. Am J Epidemiol (2008) 1.59
At Pitney Bowes, value-based insurance design cut copayments and increased drug adherence. Health Aff (Millwood) (2010) 1.59
The impact of reducing cardiovascular medication copayments on health spending and resource utilization. J Am Coll Cardiol (2012) 1.58
Type of stress ulcer prophylaxis and risk of nosocomial pneumonia in cardiac surgical patients: cohort study. BMJ (2013) 1.58
The incident user design in comparative effectiveness research. Pharmacoepidemiol Drug Saf (2012) 1.56
Instrumental variables II: instrumental variable application-in 25 variations, the physician prescribing preference generally was strong and reduced covariate imbalance. J Clin Epidemiol (2009) 1.56
Adjustments for unmeasured confounders in pharmacoepidemiologic database studies using external information. Med Care (2007) 1.56
Impact of two sequential drug cost-sharing policies on the use of inhaled medications in older patients with chronic obstructive pulmonary disease or asthma. Clin Ther (2006) 1.55
Underuse of controller medications among children with persistent asthma in the Ohio medicaid population: evolving differences with new medications. Ambul Pediatr (2005) 1.53
Determinants of selective cyclooxygenase-2 inhibitor prescribing: are patient or physician characteristics more important? Am J Med (2003) 1.53
Statins and the risk of lung, breast, and colorectal cancer in the elderly. Circulation (2006) 1.51
Managing drug-risk information--what to do with all those new numbers. N Engl J Med (2009) 1.49
Risk of osteoporotic fracture in a large population-based cohort of patients with rheumatoid arthritis. Arthritis Res Ther (2010) 1.48
Sudden uncontrollable somnolence and medication use in Parkinson disease. Arch Neurol (2005) 1.48
Should patients receive secondary prevention medications for free after a myocardial infarction? An economic analysis. Health Aff (Millwood) (2007) 1.45
The role of the c-statistic in variable selection for propensity score models. Pharmacoepidemiol Drug Saf (2010) 1.45
Validation of claims-based diagnostic and procedure codes for cardiovascular and gastrointestinal serious adverse events in a commercially-insured population. Pharmacoepidemiol Drug Saf (2010) 1.43
The validity of a rheumatoid arthritis medical records-based index of severity compared with the DAS28. Arthritis Res Ther (2006) 1.43
Provider delay among patients with breast cancer in Germany: a population-based study. J Clin Oncol (2003) 1.41
The effect of transitioning to medicare part d drug coverage in seniors dually eligible for medicare and medicaid. J Am Geriatr Soc (2008) 1.41
Comparative effectiveness of oxaliplatin vs non-oxaliplatin-containing adjuvant chemotherapy for stage III colon cancer. J Natl Cancer Inst (2012) 1.39
Effect of aprotinin on renal dysfunction. Lancet (2008) 1.39
Identifying specific chemotherapeutic agents in Medicare data: a validation study. Med Care (2013) 1.36
Safety and effectiveness of dabigatran and warfarin in routine care of patients with atrial fibrillation. Thromb Haemost (2015) 1.35
Role of disease risk scores in comparative effectiveness research with emerging therapies. Pharmacoepidemiol Drug Saf (2012) 1.32
Confounder summary scores when comparing the effects of multiple drug exposures. Pharmacoepidemiol Drug Saf (2010) 1.31
Comparison and temporal trends of three groups with cryptococcosis: HIV-infected, solid organ transplant, and HIV-negative/non-transplant. PLoS One (2012) 1.30
Risk of death and hospital admission for major medical events after initiation of psychotropic medications in older adults admitted to nursing homes. CMAJ (2011) 1.26
Changes in drug utilization during a gap in insurance coverage: an examination of the medicare Part D coverage gap. PLoS Med (2011) 1.26