Same Old Challenges in Subgroup Analysis-Should We Do More About Methods Implementation?

Affiliations

• ¹ Division of Clinical Epidemiology, Department of Clinical Research, University Hospital and University of Basel, Basel, Switzerland.
• ² MTA-PTE Lendület Momentum Evidence in Medicine Research Group, Medical School, University of Pécs, Pécs, Hungary.
• ³ Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
• ⁴ Department of Medicine, McMaster University, Hamilton, Ontario, Canada.