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. 2022 Apr 6;119:106758. doi: 10.1016/j.cct.2022.106758

Table 1.

Comparison of statistics and p-values obtained by different analysis approaches (Case Study 1).

Methods Statistics P value
Standard Survival Analysis Censor death at the time of death 1a: Cox PH Model Hazard ratio 1.035 0.289
2a: Log Rank Test N/A 0.287
3a: RMST Ratio of RMST 0.986 0.479
Censor death at Day 28 1b: Cox PH Model Hazard ratio 1.082 0.016
2b: Log Rank Test N/A 0.015
3b: RMST Ratio of RMST 0.968 0.067
Competing Risk Analysis 4: Subdistribution Hazard Model Subdistribution hazard ratio 1.080 0.014
5: CIF Chi-square N/A 0.014
6: CIF AUC Ratio of CIF AUC 1.042 0.068

Method 1a: Cox PH model, censor death at the time of death;

Method 2a: Log rank test, censor death at the time of death;

Method 3a: Test the Restricted Mean Survival Time (RMST) difference, censor death at the time of death;

Method 1b: Cox PH model, censor death at Day 28;

Method 2b: Log rank test, censor death at Day 28;

Method 3b: Test the Restricted Mean Survival Time (RMST) difference, censor death at Day 28;

Method 4: Subdistribution hazard model;

Method 5: Test cumulative incidence function (CIF) difference using a modified log-rank Chi-square test;

Method 6: Test the difference of the area under the cumulative incidence function (CIF) curve.

Note: Hazard ratio > 1 in Methods 1a and 2a, Ratio of RMST<1 in Methods 2a and 2b, Subdistribution hazard ratio > 1 in Method 4, and Ratio of CIF AUC >1 in Method 6 indicate treatment benefit.