OBJECTIVE: Propensity score (PS) analyses attempt to control for confounding in
nonexperimental studies by adjusting for the likelihood that a given patient is exposed. Such …

Acute myocardial infarction is a common disease with serious consequences in mortality,
morbidity, and cost to the society. Coronary atherosclerosis plays a pivotal part as the …

We evaluate a randomized outreach study in which the IRS sent informational letters to 3.9
million households that paid a tax penalty for lacking health insurance coverage under the …

Background Lipid-lowering therapy with statins reduces the risk of cardiovascular events,
but the optimal level of low-density lipoprotein (LDL) cholesterol is unclear. Methods We …

ContextLimited data are available evaluating how the timing and intensity of statin therapy
following an acute coronary syndrome (ACS) event affect clinical outcome. ObjectiveTo …

ContextLandmark clinical trials have demonstrated the survival benefits of statins, with
benefits usually starting after 1 to 2 years of treatment. Research prior to these trials of older …

Objectives: This study sought to investigate potential protective effects of atorvastatin in
patients with acute coronary syndromes (ACS) undergoing percutaneous coronary …

OBJECTIVE: To determine whether adjusting for confounder bias in observational studies
using propensity scores gives different results than using traditional regression modeling …

The authors compared five methods of studying survival bias associated with time-to-
treatment initiation in a drug effectiveness study using medical administrative databases …

Aims Non-potassium-sparing diuretics are commonly used in heart failure (HF). They
activate the neurohormonal system, and are potentially harmful. Yet, the long-term effects of …