H Shi, AN Levy, HD Trivedi, FKL Chan, SC Ng, and AN Ananthakrishnan, Clinical Gastroenterology and Hepatology. 06, 2017: p. Published Online First. [IF: 7.398] Similarities and differences in disease presentation and outcomes across different geographic regions and ethnic groups have not been compared previously in inflammatory bowel disease (IBD). We performed a systematic review and meta-analysis of population based cohort studies examining the phenotype and outcome of IBD