Patient demographics, state of HIV, and serological markers.

Data are median [interquartile range: IQR] or number (percentage) of patients.15 cases of perforative peritonitis are included as co-existing diseases. Four cases were diagnosed coincidentally by colonoscopy in asymptomatic patients.231 cases of colitis, 1 case of perianal abscess, 9 cases of pleuritis, and 2 cases of peritonitis are included as co-existing diseases.31 case of colitis is included as co-existing diseases.4Chi-square test or non-parametric test was performed for data of colitis and ALA.UD: undetectable, ART: anti-retroviral therapy, TPHA test: Treponema pallidum Hemagglutination Assay test, HBV exposure: HBsAg-positive or HBsAb-positive, and/or HBc-Ab positive.