Case Control Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Nov 16, 2021; 9(32): 9722-9730
Published online Nov 16, 2021. doi: 10.12998/wjcc.v9.i32.9722
Table 1 Demographic data and clinical features of chronic anal fissure

Group I

Group II

P value

n
%
n
%

Age in yr135.2 ± 10.829.9 ± 13.9NS
Hypertrophied anal papilla1173.31280NS
Skin tags960853.3NS
Symptoms
Pain1510015100NS
Bleeding1066.6960NS
Pruritus853.3853.3NS
Duration of symptoms in mo119 ± 133.520.8 ± 12.9NS