Observational Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Dec 21, 2021; 27(47): 8182-8193
Published online Dec 21, 2021. doi: 10.3748/wjg.v27.i47.8182
Table 2 Characteristics of patients after propensity score matching

mean ± SD, (%)
n = 206
Male/female139 (67.5)/67 (32.5)
Age, yr68.7 ± 8.6
Range46-85
Antithrombotic agent users40 (19.4)
Indication for colonoscopy
Screening186 (90.3)
Constipation9 (4.3)
Abdominal pain6 (2.9)
Bloody stools2 (1.0)
Anemia2 (1.0)
Others1 (0.5)