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