Testing the proportional hazard assumption in Cox models
Help Online - Origin Help - Cox Proportional Hazard Regression
Cox proportional-hazards regression
Calculating the sample size required for developing a clinical prediction model | The BMJ
Cox proportional hazards models have more statistical power than logistic regression models in cross-sectional genetic association studies | European Journal of Human Genetics
Power analysis for survival studies | Stata
Statistical Power for Cox model | Statistical Software for Excel
Assessment of proportional hazard assumption in aggregate data: a systematic review on statistical methodology in clinical trials using time-to-event endpoint | British Journal of Cancer
Power analysis for survival studies | Stata
Power and sample size | Stata
Cox Proportional-Hazards Model - Easy Guides - Wiki - STHDA
Cox regression
Compute sample size and power for a Cox regression in Excel | XLSTAT Help Center
Survival Analysis using R (part 2): Calculation of Sample Size - YouTube
Nonproportional Hazards for Time-to-Event Outcomes in Clinical Trials: JACC Review Topic of the Week - ScienceDirect
Power and Sample Size Calculations for Survival Analysis - Webinar - YouTube