Georgina Bergero, Melina J Saavedra, Marina Guglielmino, Amanda R Soto Pérez, Julián Llera, Julio Busaniche
Are electrocardiograms correctly interpreted by pediatric residents? Experience before and after an educational intervention in a teaching hospital
Archivos argentinos de pediatria
timetoevent analysis often relies prior parametric assumptions semiparametric approach chosen coxs model inherently tied assumption proportional hazards analysis potentially invalidated assumption fulfilled addition interpretations focus hazard ratio often misinterpreted relative risk rr ratio cumulative distribution functions paper introduce alternative current methodology assessing treatment effect twogroup situation relying proportional hazards assumption assuming proportional risks precisely propose new nonparametric model directly estimate rr two groups experience event assumption risk ratio constant time addition relative measure model allows calculating number needed treat absolute measure providing possibility easy holistic interpretation data demonstrate validity approach means simulation study present application data large randomized controlled trial investigating effect dapagliflozin allcause mortality