3 papers
stat.ME2026
Subgroup analysis in randomized controlled trials with binary outcomes: dilution and logic-respecting properties
Long-Hao Xu, Yang Han, Tim Friede
Subgroup analysis is routinely used in randomized controlled trials to examine whether treatment effects are homogeneous across patient subgroups or differ because of treatment-eff…
math.ST2025
A note on blinded continuous monitoring for continuous outcomes
Long-Hao Xu, Tim Friede
Continuous monitoring is becoming more popular due to its significant benefits, including reducing sample sizes and reaching earlier conclusions. In general, it involves monitoring…
stat.ME2025
A studentized permutation test for the treatment effect in individual participant data meta-analysis
Phuc Thien Tran, Long-Hao Xu, Christian Röver +1
Meta-analysis is a well-established tool used to combine data from several independent studies, each of which usually compares the effect of an experimental treatment with a contro…