Many multicenter trials had few events per center, requiring analysis via random-effects models or GEEs

Survival of Dialysis Patients Using Random Survival Forest Model in Low-Dimensional Data with Few-Events

Background:Dialysis is a process for eliminating extra uremic fluids of patients with chronic renal failure. The present study aimed to determine the variables that influence the survival of dialysis patients using random survival forest model (RSFM) in low-dimensional data with low events per variable (EPV). Methods:In this historical cohort study, infor...

Too few physicians, or too many?

Rate Changes – Too many or too few ?

Too few doctors--or too many?

THIS conclusion has led the Royal Commission to recommend doubling the existing numbers of doctors within the next 30 years. This is an expensive proposal that is likely to add many millions of pounds to the annual budget of the nation. It requires careful examination. Estimates of medical manpower requirements are fraught with difficulties and hazards. The proposals of the Willink Committee (1...

[Too many or too few cardiologists?].

116 Cardiology has undergone explosive growth in recent years. This has been attributed to a series of factors, especially to scientific and technological advances, greater opportunities for the adequate treatment of many cardiovascular disorders and the growing public awareness of the magnitude of the problem created by these diseases. Moreover, the public has access to increasing amounts of i...