Sedation Is Associated with Higher Polyp and Adenoma Detection Rates during Colonoscopy: A Retrospective Cohort Study

Table 3

Univariate logistic regression analysis of risk factors for adenoma detection rate.

Variables	OR (95% CI)	-value
Age (years)	1.04 [1.03, 1.04]	<0.001
Sedation
No	Reference
Yes	1.42 [1.31, 1.55]	<0.001
Sex
Male	Reference
Female	0.53 [0.50, 0.57]	<0.001
Year of colonoscopy
2017	Reference
2018	1.10 [1.00, 1.21]	0.052
2019	1.13 [1.03, 1.24]	0.009
2020	1.16 [0.86, 1.57]	0.342
Time of colonoscopy
Morning (8–12)	Reference
Afternoon (12–17)	0.82 [0.75, 0.91]	<0.001
Reason for colonoscopy
Unknown	Reference
Screening	1.15 [0.66, 1.99]	0.627
Diagnosis	0.95 [0.55, 1.64]	0.857
Others	0.99 [0.57, 1.72]	0.960
Withdrawal time	1.14 [1.13, 1.15]	<0.001
Endoscopist factors
Volume < 300	Reference
300 ≤ volume < 700	0.96 [0.85, 1.09]	0.517
700 ≤ volume	1.19 [0.95, 1.21]	0.009
Experience < 3	Reference
3 ≤ experience < 7	0.86 [0.77, 0.96]	0.008
7 ≤ experience	1.05 [0.85, 0.99]	0.383