Randomized Controlled Trial
Copyright ©The Author(s) 2023.
World J Gastrointest Oncol. May 15, 2023; 15(5): 878-891
Published online May 15, 2023. doi: 10.4251/wjgo.v15.i5.878
Table 1 Baseline characteristics

IEE group (n = 2113)
WLI group (n = 2098)
Age (yr)56.7 ± 12.956.8 ± 13.0
Male gender1002 (47.7)982 (46.8)
BMI (kg/m2)23.4 ± 3.223.5 ± 3.2
Comorbidities
ASA11468 (69.5)1510 (72.0)
ASA2640 (30.3)580 (27.6)
ASA35 (0.2)8 (0.4)
Colorectal surgery history149 (7.1)134 (6.4)
Colonoscopy indication
Diagnostic880 (41.6)876 (41.8)
Surveillance613 (29.0)601 (28.6)
Screening620 (29.3)621 (29.6)
Colonoscopy history892 (42.2)879 (41.9)