Programming the statistical procedures from SAS

Sample Size for survival analysis and for more than 2 groups

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Sample Size for survival analysis and for more than 2 groups

Hello!

I need to calculate sample size for survival analysis with 5 groups. Is it possible to do it in any procedures?

There is "twosamplesurvival" statement in PROC POWER for two groups, I think I can to use alpha level with a Bonferroni correction (0.05/5), but it will be so conservative and maybe there is another way for solving the problem?

Many thanks in advance!

Best Regards,

Andrey

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