Confidence Interval Estimation of Survival Probabilities for Censored Data
- 1 December 1975
- journal article
- research article
- Published by JSTOR in Journal of the American Statistical Association
- Vol. 70 (352) , 865
- https://doi.org/10.2307/2285449
Abstract
The likelihood ratio method for confidence interval estimation of survival or life-time probabilities is investigated for censored data. This approach depends on a constrained product-limit estimator for the survival function. The likelihood method is compared with two alternative methods based on normal approximations to the product-limit estimator for several cases of uncensored and randomly censored samples. The methods are generalized for the ratio of two survival probabilities.Keywords
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