Women awaken faster than men after electroencephalogram-monitored propofol sedation for colonoscopy: A prospective observational study.

Background: Sedation for colonoscopy using intravenous propofol has become standard in many Western countries.

Objective: Gender-specific differences have been shown for general anaesthesia in dentistry, but no such data existed for gastrointestinal endoscopy.

Design: A prospective observational study.