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. Author manuscript; available in PMC: 2022 Dec 7.
Published in final edited form as: Stat Methods Med Res. 2021 Jul 7;30(9):2057–2074. doi: 10.1177/09622802211017592

Table 1.

Sample size for comparing two survival curves α = 0.05 and conducting a two-sided test.

n 1 n 2 S1 (3) S2 (3) Power based on DSTPLAN Power based on EAST6.5 Power based on PASS16
120 120 60% 76% 79% 76% 82%