Importance of events per independent variable in proportional hazards analysis I. Background, goals, and general strategy
Concato J, Peduzzi P, Holford T, Feinstein A. Importance of events per independent variable in proportional hazards analysis I. Background, goals, and general strategy. Journal Of Clinical Epidemiology 1995, 48: 1495-1501. PMID: 8543963, DOI: 10.1016/0895-4356(95)00510-2.Peer-Reviewed Original Research