Some old and some new statistical tools for outcomes research.

Rethinking composite end points in clinical trials: insights from patients and trialists. Circulation (2014) 1.61

Predicting hematoma expansion after primary intracerebral hemorrhage. JAMA Neurol (2014) 1.37

Accounting for the mortality benefit of drug-eluting stents in percutaneous coronary intervention: a comparison of methods in a retrospective cohort study. BMC Med (2011) 0.95

Characteristics and outcomes of patients receiving new and replacement implantable cardioverter-defibrillators: results from the NCDR. Circ Cardiovasc Qual Outcomes (2013) 0.94

Impact of incomplete revascularization on long-term mortality after coronary stenting. Circ Cardiovasc Interv (2011) 0.90

Epidemiologic and statistical methods for comparative effectiveness research. Heart Fail Clin (2012) 0.84

External adjustment sensitivity analysis for unmeasured confounding: an application to coronary stent outcomes, Pennsylvania 2004-2008. Health Serv Res (2012) 0.75

Propensity score methods for bias reduction in the comparison of a treatment to a non-randomized control group. Stat Med (1998) 32.43

Multiple imputation: a primer. Stat Methods Med Res (1999) 17.79

Analysis of observational studies in the presence of treatment selection bias: effects of invasive cardiac management on AMI survival using propensity score and instrumental variable methods. JAMA (2007) 10.62

The unreliability of individual physician "report cards" for assessing the costs and quality of care of a chronic disease. JAMA (1999) 9.97

Development and evaluation of the Seattle Angina Questionnaire: a new functional status measure for coronary artery disease. J Am Coll Cardiol (1995) 7.64

Validating recommendations for coronary angiography following acute myocardial infarction in the elderly: a matched analysis using propensity scores. J Clin Epidemiol (2001) 7.46

Appropriate assessment of neighborhood effects on individual health: integrating random and fixed effects in multilevel logistic regression. Am J Epidemiol (2005) 7.35

Much ado about nothing: A comparison of missing data methods and software to fit incomplete data regression models. Am Stat (2007) 5.53

An administrative claims model suitable for profiling hospital performance based on 30-day mortality rates among patients with an acute myocardial infarction. Circulation (2006) 5.35

All-or-none measurement raises the bar on performance. JAMA (2006) 5.17

Improving quality of care for acute myocardial infarction: The Guidelines Applied in Practice (GAP) Initiative. JAMA (2002) 4.36

Reader's guide to critical appraisal of cohort studies: 2. Assessing potential for confounding. BMJ (2005) 3.94

Properties of the urn randomization in clinical trials. Control Clin Trials (1988) 2.81

Administrative Data Feedback for Effective Cardiac Treatment: AFFECT, a cluster randomized trial. JAMA (2005) 2.54

Pattern-mixture models for multivariate incomplete data with covariates. Biometrics (1996) 2.47

Reader's guide to critical appraisal of cohort studies: 1. Role and design. BMJ (2005) 2.43

Sex differences in hospital mortality after coronary artery bypass surgery: evidence for a higher mortality in younger women. Circulation (2002) 1.85

Methods used to streamline the CAHPS Hospital Survey. Health Serv Res (2005) 1.79

Readers guide to critical appraisal of cohort studies: 3. Analytical strategies to reduce confounding. BMJ (2005) 1.76

Instrumental variables and inverse probability weighting for causal inference from longitudinal observational studies. Stat Methods Med Res (2004) 1.74

Influence of inpatient service specialty on care processes and outcomes for patients with non ST-segment elevation acute coronary syndromes. Circulation (2007) 1.59

Correlated bivariate continuous and binary outcomes: issues and applications. Stat Med (2009) 1.43

Multiple informants: a new method to assess breast cancer patients' comorbidity. Am J Epidemiol (2003) 1.33

Simple approaches to assess the possible impact of missing outcome information on estimates of risk ratios, odds ratios, and risk differences. Control Clin Trials (2003) 1.05

Optimal timing of intervention in non-ST-segment elevation acute coronary syndromes: insights from the CRUSADE (Can Rapid risk stratification of Unstable angina patients Suppress ADverse outcomes with Early implementation of the ACC/AHA guidelines) Registry. Circulation (2005) 1.03

Analyzing multiple informant data from an evaluation of the health disparities collaboratives. Health Serv Res (2007) 1.01

A comparison of methods for combining quality and efficiency performance measures: profiling the value of hospital care following acute myocardial infarction. Stat Med (2008) 0.97

The use of multiple informants in identifying the risk factors of depressive and disruptive disorders--are they interchangeable? Soc Psychiatry Psychiatr Epidemiol (2003) 0.97

Ignorability and bias in clinical trials. Stat Med (1999) 0.89

Improving traditional intention-to-treat analyses: a new approach. Psychol Med (2005) 0.88

The year in epidemiology, health services, and outcomes research. J Am Coll Cardiol (2005) 0.77