Multivariable regression models are powerful tools that are used frequently in studies of clinical
outcomes. These models can use a mixture of categorical and continuous variables and …

Multtiple regression models are increasingly being applied to clinical studies. Such models
are powerful analytic tools that yields valid statistical inferences and make reliable …

The sensing of oxygen levels and maintenance of oxygen homeostasis is crucial for cells.
The hypoxic-sensitive regulation of gene expression allows information about the oxygen …

Background Sudden death from cardiac causes remains a leading cause of death among
patients with congestive heart failure (CHF). Treatment with amiodarone or an implantable …

The purpose of this article is to provide researchers, editors, and readers with a set of guidelines
for what to expect in an article using logistic regression techniques. Tables, figures, and …

… McNeer JF, Margolis JR, Lee KL, et al: The role of the exercise test in the evaluation of patients
… Harris PJ, Harrell FE, Lee KL, et al: Survival in medically treated coronary artery disease. …

Background Empirical antiarrhythmic therapy has not reduced mortality among patients with
coronary artery disease and asymptomatic ventricular arrhythmias. Previous studies have …

Context Guidelines recommend that exercise training be considered for medically stable
outpatients with heart failure. Previous studies have not had adequate statistical power to …

Background— Dual-chamber (DDDR) pacing preserves AV synchrony and may reduce
heart failure (HF) and atrial fibrillation (AF) compared with ventricular (VVIR) pacing in sinus …

Background It is common practice to restore and maintain sinus rhythm in patients with atrial
fibrillation and heart failure. This approach is based in part on data indicating that atrial …