From: External validation of a Cox prognostic model: principles and methods
Method | Aspect | Information | |||
---|---|---|---|---|---|
L1 | L2 | L3 | |||
1 | Regression on PI in validation data | D, F | |||
2 | Check model misspecification/fit | F | |||
3 | Measures of discrimination | D | |||
4 | Kaplan-Meier curves for risk groups | D, C | × | ||
5 | Logrank/Cox tests between risk groups | D | × | ||
6 | Hazard ratios across risk groups | D | × | ||
7 | Calibration | C | × | × |