Observational Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Aug 28, 2016; 22(32): 7365-7372
Published online Aug 28, 2016. doi: 10.3748/wjg.v22.i32.7365
Table 1 Group size, mean age and male percentage according to age study group
Age study group40-49 yr50-59 yrTotal
Number of subjects50512451750
Mean age (yr) at colonoscopy (SD)45.30 (2.81)54.64 (2.83)51.94 (5.09)
Male percentage (%)5551.252.3