CHAPTER Large variability in outcome measures in community-acquired pneumonia (CAP) antibiotic treatment trials - a systematic review Rachida el Moussaoui 1 , Corianne A. de Borgie 2 , Brent C. Opmeer, Patrick M. Bossuyt 2 , Peter Speelman', Jan M. Prins' ' Department of Internal Medicine, Division of Infectious Diseases, Tropical Medicine, and AIDS and 2 Department of Clinical Epidemiology and Biostatistics, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands. Submitted