Methods for Improving the Variance Estimator of the Kaplan-Meier Survival Function, When There Is No, Moderate and Heavy Censoring-Applied in Oncological Datasets

• Glavni autori: Habib Nawaz Khan (Autor), Qamruz Zaman (Autor), Fatima Azmi (Autor), Gulap Shahzada (Autor), Mihajlo Jakovljevic (Autor)
• Format: Knjiga
• Izdano: Frontiers Media S.A., 2022-05-01T00:00:00Z.
• Teme: article
• Online pristup: Connect to this object online.

In case of heavy and even moderate censoring, a common problem with the Greenwood and Peto variance estimators of the Kaplan-Meier survival function is that they can underestimate the true variance in the left and right tails of the survival distribution. Here, we introduce a variance estimator for...