Nomograms for calculating the number of patients needed for a clinical trial with survival as an endpoint.
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.
D002986:Clinical Trials as Topic / Q000379:methods*; D006801:Humans; D008954:Models, Biological; D009369:Neoplasms / Q000188:drug therapy* / Q000401:mortality; D011336:Probability