# Conditional power and friends: The why and how of (un)planned, unblinded sample size recalculations in confirmatory trials

> Research article (Statistics in Medicine, 2022) · cited 17× · AI/ML

**Wikidata**: [openalex:W3092991004](https://www.wikidata.org/wiki/openalex:W3092991004)  
**Source**: https://4ort.xyz/entity/conditional-power-and-friends-the-why-and-how-of-un-planned-unblinded-sample-size-recalculations-in-confirmatory-trials