Related Experiment Video
Updated: Sep 17, 2025

Author Spotlight: Evaluating the Adjuvant Efficacy and Safety of Angong Niuhuang Pill in Viral Encephalitis Treatment
Published on: April 19, 2024
How To Interpret Subgroup Analyses from Prospective Randomized Clinical Trials: What Clinicians Need To Know
1Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, USA; Duke Cancer Institute Center for Prostate and Urologic Cancers, Durham, NC, USA.
None:
Subgroup analyses must be approached with caution. Only prespecified, well-powered analyses with formal interaction testing and validation can support strong claims; exploratory findings require confirmation. Integration of statistical rigor with clinical insight maximizes the value of subgroup analyses.
More Related Videos
04:53A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
Published on: September 20, 2019
06:55Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index
Published on: January 8, 2020
Related Concept Videos
Clinical Trials
There are four phases in a clinical trial. A phase one...
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Clinical Trials: Overview
Comparing the Survival Analysis of Two or More Groups
Hazard Ratio
For example, in a clinical trial...
Blinding