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Prospective Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Mar 28, 2026; 32(12): 113927
Published online Mar 28, 2026. doi: 10.3748/wjg.v32.i12.113927
Table 2 Baseline demographic and clinical characteristics of study participants by cohort, n (%)
Category
Treatment cohort (n = 375)
Control cohort (n = 375)
Total (n = 750)
Age, years
18-304 (1.1)4 (1.1)8 (1.1)
31-5088 (23.5)88 (23.5)176 (23.5)
51-65171 (45.6)171 (45.6)342 (45.6)
66+112 (29.9)112 (29.9)224 (29.9)
Sex
Male234 (62.4)218 (58.1)452 (60.3)
Female141 (37.6)157 (41.9)298 (39.7)
Time since last colonoscopy1, years
0-5278 (74)158 (74)436 (73.7)
6-1079 (21)38 (18)117 (19.8)
10+15 (4)15 (7)30 (5.1)
First colonoscopy143 (38)68 (18)211 (28.1)
Endoscopist distribution
Endoscopist A26 (7)49 (13)75 (10)
Endoscopist B203 (54)131 (35)334 (44.5)
Endoscopist C90 (24)120 (32)225 (30)
Endoscopist D105 (28)120 (32)225 (30)
Previous CRC3 (1)6 (2)9 (1.2)


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