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. 2020 Jul 3;18:269. doi: 10.1186/s12967-020-02421-w

Table 1.

Statistical power with 75 patients

Randomisation Surv1 Surv2 HR
1:1 0.05 0.208 0.52
2:3 0.05 0.198 0.54
1:2 0.05 0.198 0.54

Surv1 is the survival probability in the control group at the end of the study. Surv2 is the survival probability in the experimental group. HR, hazard ratio, effect size of the experimental to the control group