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Biometrics. 1982 Mar;38(1):163-70.

Nomograms for calculating the number of patients needed for a clinical trial with survival as an endpoint.

Abstract

This paper presents nomograms for calculating the sample size for a clinical trial with survival as an endpoint. The nomograms are valid when survival is exponential and patients enter the study uniformly.

PMID:
7082758
[Indexed for MEDLINE]

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