Inaccuracy of the log-rank approximation in cancer data analysis.
Rappoport, Nimrod;Shamir, Ron;
molecular systems biology2019Vol. 15pp. e8754
238
rappoport2019inaccuracymolecular
Abstract
The log-rank test statistic is very broadly used in biology. Unfortunately, P-values based on the popular chi-square approximation are often inaccurate and can be misleading.