Observational Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. May 28, 2021; 27(20): 2630-2642
Published online May 28, 2021. doi: 10.3748/wjg.v27.i20.2630
Table 1 Clinical phenotypes of ulcerative colitis clustered by gender

Males
Females
Total
Proctitis, n (%)32 (13.3)37 (15.4)69 (28.7)
Left-sided colitis, n (%)68 (28.3)64 (26.7)132 (55)
Extensive colitis, n (%)24 (10)15 (6.3)39 (16.3)