Episode 49 of CRAMSURG - Clinical Research Appraisal and Methodology for Surgical Trainees. The paper for discussion is LigaSure versus conventional Milligan MORGAN hemorrhoidectomy in Nigerian patients with symptomatic hemorrhoids WJS Oct 2024. The teaching topic is a practical guide to statistical tests - part 1: introduction and assumptions. Brought to you by CRAMSURG www.cramsurg.org.