Antiviral therapy in cytomegalovirus-positive ulcerative colitis: A systematic review and meta-analysis

To evaluate the impact of antiviral treatment on cytomegalovirus (CMV)-positive ulcerative colitis patients.We performed a systematic review and meta-analysis (MA) of comparative cohort and case-control studies published between January 1966 and March 2013. Studies focusing on colectomy series and studies including only less than 3 patients in the treated or non-treated arm were excluded. The primary outcome was colectomy within 30 d of...