Quality of colonoscopy performed by medical or surgical specialists and trainees in five Australian hospitals

Table 5 Multivariate regression analysis for detection rates of cancer, adenomas, and serrated lesions amongst eligible procedures

	Coefficient	OR (95%CI)	P value
Cancer
Site	0.11	1.11 (0.87-1.43)	0.40
Patient age	0.04	1.04 (1.02-1.07)	< 0.001
Patient gender (male)	-0.45	0.64 (0.36-1.14)	0.13
Trainee (present)	-0.12	0.89 (0.46-1.73)	0.73
Proceduralist (medical)1	-0.61	0.54 (0.30-0.97)	0.04
Adenomas
Site	-0.01	0.99 (0.90-1.09)	0.84
Patient age	0.04	1.04 (1.03-1.05)	< 0.001
Patient gender (male)	-0.65	0.53 (0.42-0.65)	< 0.001
Trainee (present)	0.22	1.24 (0.96-1.61)	0.10
Proceduralist (medical)1	0.34	1.41 (1.13-1.76)	0.002
Serrated lesions
Site	0.08	1.08 (0.90-1.3)	0.42
Patient age	0.00	1.00 (0.99-1.02)	0.57
Patient gender (male)	0.41	1.51 (0.99-2.29)	0.05
Trainee (present)	0.26	1.29 (0.78-2.14)	0.33
Proceduralist (medical)1	0.28	1.32 (0.87-2.02)	0.19

¹Surgical specialists were defined as the reference population.

CI: Confidence interval; OR: Odds ratio.