Published in J Clin Epidemiol on April 05, 2009
Comparative effectiveness of prostate cancer treatments: evaluating statistical adjustments for confounding in observational data. J Natl Cancer Inst (2010) 3.24
Association of Intensive Care Unit Admission With Mortality Among Older Patients With Pneumonia. JAMA (2015) 3.18
Smoking cessation treatment and risk of depression, suicide, and self harm in the Clinical Practice Research Datalink: prospective cohort study. BMJ (2013) 2.86
Instrumental variable methods in comparative safety and effectiveness research. Pharmacoepidemiol Drug Saf (2010) 1.96
Instrumental variables I: instrumental variables exploit natural variation in nonexperimental data to estimate causal relationships. J Clin Epidemiol (2009) 1.73
Choosing models for health care cost analyses: issues of nonlinearity and endogeneity. Health Serv Res (2012) 1.13
Separated at birth: statisticians, social scientists, and causality in health services research. Health Serv Res (2010) 1.13
Physicians' prescribing preferences were a potential instrument for patients' actual prescriptions of antidepressants. J Clin Epidemiol (2013) 1.02
Applying propensity scores estimated in a full cohort to adjust for confounding in subgroup analyses. Pharmacoepidemiol Drug Saf (2011) 1.00
Comparison of different approaches to confounding adjustment in a study on the association of antipsychotic medication with mortality in older nursing home patients. Am J Epidemiol (2011) 0.98
The many weak instruments problem and Mendelian randomization. Stat Med (2014) 0.97
Safety and effectiveness of bivalirudin in routine care of patients undergoing percutaneous coronary intervention. Eur Heart J (2009) 0.89
Survival implications associated with variation in mastectomy rates for early-staged breast cancer. Int J Surg Oncol (2012) 0.89
Malaria and protective behaviours: is there a malaria trap? Malar J (2013) 0.82
Benefits of ICU admission in critically ill patients: whether instrumental variable methods or propensity scores should be used. BMC Med Res Methodol (2011) 0.81
Evaluating possible confounding by prescriber in comparative effectiveness research. Epidemiology (2015) 0.80
Estimating causal effects in observational studies using Electronic Health Data: Challenges and (some) solutions. EGEMS (Wash DC) (2013) 0.80
Effectiveness of Arterial Closure Devices for Preventing Complications With Percutaneous Coronary Intervention: An Instrumental Variable Analysis. Circ Cardiovasc Interv (2016) 0.77
Effectiveness of Hospital Functions for Acute Ischemic Stroke Treatment on In-Hospital Mortality: Results From a Nationwide Survey in Japan. J Epidemiol (2015) 0.77
Instrumental variable meta-analysis of individual patient data: application to adjust for treatment non-compliance. BMC Med Res Methodol (2011) 0.77
Reducing Readmissions among Heart Failure Patients Discharged to Home Health Care: Effectiveness of Early and Intensive Nursing Services and Early Physician Follow-Up. Health Serv Res (2016) 0.76
Computed tomography during initial management and mortality among hemodynamically unstable blunt trauma patients: a nationwide retrospective cohort study. Scand J Trauma Resusc Emerg Med (2017) 0.75
Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases. J Clin Epidemiol (1992) 60.45
'Mendelian randomization': can genetic epidemiology contribute to understanding environmental determinants of disease? Int J Epidemiol (2003) 16.71
Adapting a clinical comorbidity index for use with ICD-9-CM administrative data: differing perspectives. J Clin Epidemiol (1993) 13.16
Does more intensive treatment of acute myocardial infarction in the elderly reduce mortality? Analysis using instrumental variables. JAMA (1994) 11.32
A review of uses of health care utilization databases for epidemiologic research on therapeutics. J Clin Epidemiol (2005) 8.77
Instruments for causal inference: an epidemiologist's dream? Epidemiology (2006) 8.50
Risk of death in elderly users of conventional vs. atypical antipsychotic medications. N Engl J Med (2005) 8.44
An introduction to instrumental variables for epidemiologists. Int J Epidemiol (2000) 6.17
Econometrics in outcomes research: the use of instrumental variables. Annu Rev Public Health (1998) 5.55
Antipsychotics and the risk of sudden cardiac death. Arch Gen Psychiatry (2001) 4.04
Evaluating short-term drug effects using a physician-specific prescribing preference as an instrumental variable. Epidemiology (2006) 3.54
Nurses' recognition of delirium and its symptoms: comparison of nurse and researcher ratings. Arch Intern Med (2001) 3.18
Use of comorbidity scores for control of confounding in studies using administrative databases. Int J Epidemiol (2000) 2.94
Uses of ecologic studies in the assessment of intended treatment effects. J Clin Epidemiol (1999) 2.64
Adjusting effect estimates for unmeasured confounding with validation data using propensity score calibration. Am J Epidemiol (2005) 2.55
Who is the marginal patient? Understanding instrumental variables estimates of treatment effects. Health Serv Res (1998) 2.50
Adjusting for unmeasured confounders in pharmacoepidemiologic claims data using external information: the example of COX2 inhibitors and myocardial infarction. Epidemiology (2005) 2.38
Preference-based instrumental variable methods for the estimation of treatment effects: assessing validity and interpreting results. Int J Biostat (2007) 2.24
An application of propensity score matching using claims data. Pharmacoepidemiol Drug Saf (2005) 2.15
A Medicare database review found that physician preferences increasingly outweighed patient characteristics as determinants of first-time prescriptions for COX-2 inhibitors. J Clin Epidemiol (2005) 1.83
Simultaneous assessment of short-term gastrointestinal benefits and cardiovascular risks of selective cyclooxygenase 2 inhibitors and nonselective nonsteroidal antiinflammatory drugs: an instrumental variable analysis. Arthritis Rheum (2006) 1.60
Determinants of selective cyclooxygenase-2 inhibitor prescribing: are patient or physician characteristics more important? Am J Med (2003) 1.53
Combining ecological and individual variables to reduce confounding by indication: case study--subarachnoid hemorrhage treatment. J Clin Epidemiol (2000) 1.42
Evaluating the validity of an instrumental variable study of neuroleptics: can between-physician differences in prescribing patterns be used to estimate treatment effects? Med Care (2007) 1.21
Rosuvastatin to prevent vascular events in men and women with elevated C-reactive protein. N Engl J Med (2008) 43.36
Particulate matter air pollution and cardiovascular disease: An update to the scientific statement from the American Heart Association. Circulation (2010) 19.30
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
Clinical equivalence of generic and brand-name drugs used in cardiovascular disease: a systematic review and meta-analysis. JAMA (2008) 6.63
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
Roles of drinking pattern and type of alcohol consumed in coronary heart disease in men. N Engl J Med (2003) 5.95
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
Sexual function in men older than 50 years of age: results from the health professionals follow-up study. Ann Intern Med (2003) 4.40
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
Primary prevention of cardiovascular diseases with statin therapy: a meta-analysis of randomized controlled trials. Arch Intern Med (2006) 3.75
Altitude and all-cause mortality in incident dialysis patients. JAMA (2009) 3.62
Primary medication non-adherence: analysis of 195,930 electronic prescriptions. J Gen Intern Med (2010) 3.57
Suicide and cardiovascular death after a cancer diagnosis. N Engl J Med (2012) 3.56
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
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
Ambient air pollution and the risk of acute ischemic stroke. Arch Intern Med (2012) 2.92
Compliance with osteoporosis medications. Arch Intern Med (2005) 2.91
Insights into the mechanisms and mediators of the effects of air pollution exposure on blood pressure and vascular function in healthy humans. Hypertension (2009) 2.88
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
Driving and implantable cardioverter-defibrillator shocks for ventricular arrhythmias: results from the TOVA study. J Am Coll Cardiol (2007) 2.79
The comparative short-term effectiveness of iron dosing and formulations in US hemodialysis patients. Am J Med (2013) 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
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
Air pollution and hospital admissions for ischemic and hemorrhagic stroke among medicare beneficiaries. Stroke (2005) 2.66
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
Modeling the association between particle constituents of air pollution and health outcomes. Am J Epidemiol (2012) 2.64
The increasing prevalence of atrial fibrillation among hemodialysis patients. J Am Soc Nephrol (2011) 2.61
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
Particulate air pollution and hospital admissions for congestive heart failure in seven United States cities. Am J Cardiol (2006) 2.54
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
Intervening on risk factors for coronary heart disease: an application of the parametric g-formula. Int J Epidemiol (2009) 2.48
Statin adherence and risk of accidents: a cautionary tale. Circulation (2009) 2.47
Risk of acute myocardial infarction after the death of a significant person in one's life: the Determinants of Myocardial Infarction Onset Study. Circulation (2012) 2.44
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