Published in Med Care on June 01, 2010
Effectiveness of androgen-deprivation therapy and radiotherapy for older men with locally advanced prostate cancer. J Clin Oncol (2015) 4.72
Novel data-mining methodologies for adverse drug event discovery and analysis. Clin Pharmacol Ther (2012) 2.56
Confounding by indication in retrospective studies of intracerebral hemorrhage: antiepileptic treatment and mortality. Neurocrit Care (2012) 2.25
Evidence of sample use among new users of statins: implications for pharmacoepidemiology. Med Care (2014) 2.22
Tradeoffs between accuracy measures for electronic health care data algorithms. J Clin Epidemiol (2011) 2.06
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The implications of propensity score variable selection strategies in pharmacoepidemiology: an empirical illustration. Pharmacoepidemiol Drug Saf (2011) 1.74
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Propensity score methods for confounding control in nonexperimental research. Circ Cardiovasc Qual Outcomes (2013) 1.62
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
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
Mining high-dimensional administrative claims data to predict early hospital readmissions. J Am Med Inform Assoc (2013) 1.19
Building the graph of medicine from millions of clinical narratives. Sci Data (2014) 1.14
An association between air pollution and daily outpatient visits for respiratory disease in a heavy industry area. PLoS One (2013) 1.11
Propensity scores for confounder adjustment when assessing the effects of medical interventions using nonexperimental study designs. J Intern Med (2014) 1.06
Calendar time-specific propensity scores and comparative effectiveness research for stage III colon cancer chemotherapy. Pharmacoepidemiol Drug Saf (2013) 1.05
Estimating cost-offsets of new medications: use of new antipsychotics and mental health costs for schizophrenia. Stat Med (2011) 1.02
Counterpoint: The Treatment Decision Design. Am J Epidemiol (2015) 1.02
A framework for understanding cancer comparative effectiveness research data needs. J Clin Epidemiol (2012) 1.00
Reducing bias in the assessment of treatment effectiveness: androgen deprivation therapy for prostate cancer. Med Care (2012) 0.98
A method for controlling complex confounding effects in the detection of adverse drug reactions using electronic health records. J Am Med Inform Assoc (2013) 0.95
The active comparator, new user study design in pharmacoepidemiology: historical foundations and contemporary application. Curr Epidemiol Rep (2015) 0.93
Comparison of Comorbidity Scores in Predicting Surgical Outcomes. Med Care (2016) 0.90
Control Outcomes and Exposures for Improving Internal Validity of Nonrandomized Studies. Health Serv Res (2015) 0.90
Data for cancer comparative effectiveness research: past, present, and future potential. Cancer (2012) 0.89
Variable selection for propensity score models when estimating treatment effects on multiple outcomes: a simulation study. Pharmacoepidemiol Drug Saf (2012) 0.88
Evaluation of matched control algorithms in EHR-based phenotyping studies: a case study of inflammatory bowel disease comorbidities. J Biomed Inform (2014) 0.87
Effect identification in comparative effectiveness research. EGEMS (Wash DC) (2013) 0.85
Selection of confounding variables should not be based on observed associations with exposure. Eur J Epidemiol (2011) 0.85
Family-centred care delivery: comparing models of primary care service delivery in Ontario. Can Fam Physician (2013) 0.84
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Factors associated with the initiation of proton pump inhibitors in corticosteroid users. Pharmacoepidemiol Drug Saf (2012) 0.82
Intimate partner violence and prescription of potentially addictive drugs: prospective cohort study of women in the Oslo Health Study. BMJ Open (2012) 0.81
Effects of combination antiretroviral therapies on the risk of myocardial infarction among HIV patients. Epidemiology (2014) 0.81
Reducing Bias Amplification in the Presence of Unmeasured Confounding Through Out-of-Sample Estimation Strategies for the Disease Risk Score. J Causal Inference (2014) 0.80
Review of quality assessment tools for the evaluation of pharmacoepidemiological safety studies. BMJ Open (2012) 0.80
Linking electronic health records to better understand breast cancer patient pathways within and between two health systems. EGEMS (Wash DC) (2015) 0.79
Validation sampling can reduce bias in health care database studies: an illustration using influenza vaccination effectiveness. J Clin Epidemiol (2013) 0.78
Confounding: what is it and how do we deal with it? Can J Surg (2012) 0.78
A self-controlled case series to assess the effectiveness of beta blockers for heart failure in reducing hospitalisations in the elderly. BMC Med Res Methodol (2011) 0.78
Identification of smoking using Medicare data - a validation study of claims-based algorithms. Pharmacoepidemiol Drug Saf (2016) 0.77
The relationship between changes in health behaviour and initiation of lipid-lowering and antihypertensive medications in individuals at high risk of ischaemic heart disease. BMC Public Health (2012) 0.76
Characterization of Sitagliptin Use in Patients with Type 2 Diabetes and Chronic Kidney Disease by Cross-Sectional Analysis of a Medical Insurance Claims Database. Diabetes Ther (2015) 0.75
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Outcomes of Noninvasive and Invasive Ventilation in Patients Hospitalized with Asthma Exacerbation. Ann Am Thorac Soc (2016) 0.75
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Neighborhood-Level Poverty at Menarche and Prepregnancy Obesity in African-American Women. J Pregnancy (2016) 0.75
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The impact of standardizing the definition of visits on the consistency of multi-database observational health research. BMC Med Res Methodol (2015) 0.75
Statistical methods and modelling techniques for analysing hospital readmission of discharged psychiatric patients: a systematic literature review. BMC Psychiatry (2016) 0.75
Comparing high-dimensional confounder control methods for rapid cohort studies from electronic health records. J Comp Eff Res (2015) 0.75
Control of confounding in the analysis phase - an overview for clinicians. Clin Epidemiol (2017) 0.75
Impact of Angiotensin Receptor Blocker Use on Overall Survival Among Patients Undergoing Resection for Pancreatic Cancer. World J Surg (2017) 0.75
Serious Adverse Events Among SPRINT Trial Participants Taking Statins at Baseline. Drugs R D (2017) 0.75
Instrumental variables as bias amplifiers with general outcome and confounding. Biometrika (2017) 0.75
Effect of Digoxin Use Among Medicaid Enrollees With Atrial Fibrillation. Circ Arrhythm Electrophysiol (2017) 0.75
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The birth weight "paradox" uncovered? Am J Epidemiol (2006) 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
Evidence of bias in estimates of influenza vaccine effectiveness in seniors. Int J Epidemiol (2005) 4.04
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Adherence to lipid-lowering therapy and the use of preventive health services: an investigation of the healthy user effect. Am J Epidemiol (2007) 3.82
Illustrating bias due to conditioning on a collider. Int J Epidemiol (2009) 3.54
Evaluating short-term drug effects using a physician-specific prescribing preference as an instrumental variable. Epidemiology (2006) 3.54
Semi-automated sensitivity analysis to assess systematic errors in observational data. Epidemiology (2003) 3.30
Functional status is a confounder of the association of influenza vaccine and risk of all cause mortality in seniors. Int J Epidemiol (2005) 2.92
Sensitivity analyses for unmeasured confounding assuming a marginal structural model for repeated measures. Stat Med (2004) 2.87
Selective prescribing led to overestimation of the benefits of lipid-lowering drugs. J Clin Epidemiol (2006) 2.81
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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
Paradoxical relations of drug treatment with mortality in older persons. Epidemiology (2001) 2.52
Statin adherence and risk of accidents: a cautionary tale. Circulation (2009) 2.47
Exploring relative mortality and epoetin alfa dose among hemodialysis patients. Am J Kidney Dis (2008) 2.43
Adjusting for unmeasured confounders in pharmacoepidemiologic claims data using external information: the example of COX2 inhibitors and myocardial infarction. Epidemiology (2005) 2.38
A most stubborn bias: no adjustment method fully resolves confounding by indication in observational studies. J Clin Epidemiol (2009) 2.33
Use of a marginal structural model to determine the effect of aspirin on cardiovascular mortality in the Physicians' Health Study. Am J Epidemiol (2002) 2.02
Invited commentary: variable selection versus shrinkage in the control of multiple confounders. Am J Epidemiol (2008) 2.02
Was breast conserving surgery underutilized for early stage breast cancer? Instrumental variables evidence for stage II patients from Iowa. Health Serv Res (2003) 1.72
The risk of coronary heart disease in type 2 diabetic patients exposed to thiazolidinediones compared to metformin and sulfonylurea therapy. Pharmacoepidemiol Drug Saf (2007) 1.64
Agreement between GPRD smoking data: a survey of general practitioners and a population-based survey. Pharmacoepidemiol Drug Saf (2004) 1.61
Adjustments for unmeasured confounders in pharmacoepidemiologic database studies using external information. Med Care (2007) 1.56
Bias formulas for external adjustment and sensitivity analysis of unmeasured confounders. Ann Epidemiol (2008) 1.54
Determinants of selective cyclooxygenase-2 inhibitor prescribing: are patient or physician characteristics more important? Am J Med (2003) 1.53
Modeling treatment effects on binary outcomes with grouped-treatment variables and individual covariates. Am J Epidemiol (2002) 1.48
Use of propensity score technique to account for exposure-related covariates: an example and lesson. Med Care (2007) 1.44
Gastrointestinal bleeding after the introduction of COX 2 inhibitors: ecological study. BMJ (2004) 1.36
Use of instrumental variables in the analysis of generalized linear models in the presence of unmeasured confounding with applications to epidemiological research. Stat Med (2008) 1.27
Associations of kidney function with cardiovascular medication use after myocardial infarction. Clin J Am Soc Nephrol (2008) 1.12
Adherence and outcomes: it's more than taking the pills. Lancet (2005) 1.11
Effect of highly active antiretroviral therapy on incident AIDS using calendar period as an instrumental variable. Am J Epidemiol (2009) 1.09
Evolving statistical methods to facilitate evaluation of the causal association between erythropoiesis-stimulating agent dose and mortality in nonexperimental research: strengths and limitations. Am J Kidney Dis (2009) 1.07
Exhaustion, automation, theory, and confounding. Epidemiology (2009) 0.87
Rosuvastatin to prevent vascular events in men and women with elevated C-reactive protein. N Engl J Med (2008) 43.36
Variable selection for propensity score models. Am J Epidemiol (2006) 10.68
Reduction in C-reactive protein and LDL cholesterol and cardiovascular event rates after initiation of rosuvastatin: a prospective study of the JUPITER trial. Lancet (2009) 10.52
Long-term, low-intensity warfarin therapy for the prevention of recurrent venous thromboembolism. N Engl J Med (2003) 8.65
Risk of death in elderly users of conventional vs. atypical antipsychotic medications. N Engl J Med (2005) 8.44
Vitamins E and C in the prevention of cardiovascular disease in men: the Physicians' Health Study II randomized controlled trial. JAMA (2008) 8.32
High-dimensional propensity score adjustment in studies of treatment effects using health care claims data. Epidemiology (2009) 7.40
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
Long-term persistence in use of statin therapy in elderly patients. JAMA (2002) 7.19
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
Results of multivariable logistic regression, propensity matching, propensity adjustment, and propensity-based weighting under conditions of nonuniform effect. Am J Epidemiol (2005) 6.20
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
A randomized study of how physicians interpret research funding disclosures. N Engl J Med (2012) 5.47
Multivitamins in the prevention of cancer in men: the Physicians' Health Study II randomized controlled trial. JAMA (2012) 5.25
Vitamins E and C in the prevention of prostate and total cancer in men: the Physicians' Health Study II randomized controlled trial. JAMA (2008) 5.13
Risk of death and cardiovascular events in initially healthy women with new-onset atrial fibrillation. JAMA (2011) 4.73
Indications for propensity scores and review of their use in pharmacoepidemiology. Basic Clin Pharmacol Toxicol (2006) 4.70
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
Cardiovascular benefits and diabetes risks of statin therapy in primary prevention: an analysis from the JUPITER trial. Lancet (2012) 4.46
Multivitamins in the prevention of cardiovascular disease in men: the Physicians' Health Study II randomized controlled trial. JAMA (2012) 4.40
HDL cholesterol and residual risk of first cardiovascular events after treatment with potent statin therapy: an analysis from the JUPITER trial. Lancet (2010) 4.07
Outcomes of reference pricing for angiotensin-converting-enzyme inhibitors. N Engl J Med (2002) 4.07
Depression and risk of sudden cardiac death and coronary heart disease in women: results from the Nurses' Health Study. J Am Coll Cardiol (2009) 3.99
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
Blood pressure and risk of developing type 2 diabetes mellitus: the Women's Health Study. Eur Heart J (2007) 3.21
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
High-density lipoprotein cholesterol, size, particle number, and residual vascular risk after potent statin therapy. Circulation (2013) 3.03
Association between disease-modifying antirheumatic drugs and diabetes risk in patients with rheumatoid arthritis and psoriasis. JAMA (2011) 3.02
Relationship between selective cyclooxygenase-2 inhibitors and acute myocardial infarction in older adults. Circulation (2004) 2.98
Noncompliance with antihypertensive medications: the impact of depressive symptoms and psychosocial factors. J Gen Intern Med (2002) 2.85
Nonsteroidal anti-inflammatory drug use and acute myocardial infarction. Arch Intern Med (2002) 2.82
Selective prescribing led to overestimation of the benefits of lipid-lowering drugs. J Clin Epidemiol (2006) 2.81
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
Inhibition of clinical benefits of aspirin on first myocardial infarction by nonsteroidal antiinflammatory drugs. Circulation (2003) 2.73
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
Improved comorbidity adjustment for predicting mortality in Medicare populations. Health Serv Res (2003) 2.65
Improvements in long-term mortality after myocardial infarction and increased use of cardiovascular drugs after discharge: a 10-year trend analysis. J Am Coll Cardiol (2008) 2.58
Excess weight and the risk of incident coronary heart disease among men and women. Obesity (Silver Spring) (2009) 2.56
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
Incorporation of clustering effects for the Wilcoxon rank sum test: a large-sample approach. Biometrics (2003) 2.49
Statin adherence and risk of accidents: a cautionary tale. Circulation (2009) 2.47
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
Long-term multivitamin supplementation and cognitive function in men: a randomized trial. Ann Intern Med (2013) 2.39
Adjusting for unmeasured confounders in pharmacoepidemiologic claims data using external information: the example of COX2 inhibitors and myocardial infarction. Epidemiology (2005) 2.38
Increasing levels of restriction in pharmacoepidemiologic database studies of elderly and comparison with randomized trial results. Med Care (2007) 2.31
Influence of systolic and diastolic blood pressure on the risk of incident atrial fibrillation in women. Circulation (2009) 2.26
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
A randomized trial of beta carotene supplementation and cognitive function in men: the Physicians' Health Study II. Arch Intern Med (2007) 2.20
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
Use of topiramate in pregnancy and risk of oral clefts. Am J Obstet Gynecol (2012) 2.14
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
Which patients with unstable angina or non-Q-wave myocardial infarction should have immediate cardiac catheterization? A clinical decision rule for predicting who will fail medical therapy. J Clin Epidemiol (2002) 2.09
C-reactive protein levels among women of various ethnic groups living in the United States (from the Women's Health Study). Am J Cardiol (2004) 2.08
A prospective study of serum lipids and risk of diabetic macular edema in type 1 diabetes. Diabetes (2004) 2.03
Effect of intensive glycemic control on levels of markers of inflammation in type 1 diabetes mellitus in the diabetes control and complications trial. Circulation (2005) 2.02
Association between the Part D coverage gap and adverse health outcomes. J Am Geriatr Soc (2012) 1.99
Impact of reference-based pricing for angiotensin-converting enzyme inhibitors on drug utilization. CMAJ (2002) 1.99
Insights into different results from different causal contrasts in the presence of effect-measure modification. Pharmacoepidemiol Drug Saf (2006) 1.99
GRACE principles: recognizing high-quality observational studies of comparative effectiveness. Am J Manag Care (2010) 1.98