Effect of Colonoscopy Volume on Quality Indicators

Table 4

Multivariable logistic regression model for colonoscopy completion rate.

	Odds ratio	95% confidence interval	value
Indication
Screening or surveillance	Reference	0.457–0.808	0.001
Other	0.608
ASA score
ASA (3 to 5)	Reference	1.105–2.321	0.013
ASA (1 or 2)	1.601
Age	0.984	0.972–0.996	0.007
Gender
Female	Reference	1.345–2.453	<0.001
Male	1.817
Volume
Quintile 1 (0–149)	0.200	0.112–0.356	<0.001
Quintile 2 (150–249)	0.648	0.421–0.997	0.048
Quintile 3 (250–301)	0.699	0.467–1.045	0.081
Quintile 4 (302–530)	1.239	0.846–1.815	0.272
Quintile 5 (>530)	Reference		<0.001