TABLE 3.

Univariate and multivariate results for predictors of 30-day cumulative incidence of minor adverse events

Variable	Univariate	Multivariate
	OR (95% CI)	OR (95% CI)
Age	1.01 (0.97–1.03)	0.99 (0.97–1.02)
Sex
Female	Reference	Reference
Male	0.81 (0.49–1.29)	0.81 (0.49–1.27)
Medical problem
No	Reference	Reference
Yes	1.60 (0.89–2.66)	1.60 (0.87–2.68)
Trainee participation
No	Reference	Reference
Yes	0.57 (0.14–1.41)	0.53 (0.15–1.27)
Duration, min	1.01 (0.99–1.03)	1.01 (0.99–1.04)
Polypectomy
No	Reference	Reference
Yes	1.16 (0.68–1.85)	1.13 (0.64–1.85)
Insufflation with
Air	Reference	Reference
Carbon dioxide	0.88 (0.41–1.58)	0.84 (0.41–1.50)