TABLE 5.

Multivariate analysis of procedure‐ and endoscopist‐related characteristics associated with quality indicators of lesion detection in FIT‐based procedures and post‐polypectomy surveillance

Adenoma detection
	FIT‐based colonoscopies		Post‐polypectomy surveillance
	OR (95%CI)	p	OR (95%CI)	p
Cecal intubation (yes; no)	7.55 (1.63–34.99)	0.010	–	–
Withdrawal time	1.44 (1.37–1.50)	<0.001	1.29 (1.19–1.39)	<0.001
Endoscopist age	1.02 (1.01–1.04)	0.001	–	–
Weekly hours dedicated to endoscopy	1.02 (1.01–1.03)	0.001	–	–

APCR
	FIT‐based colonoscopies		Post‐polypectomy surveillance
	β coefficient (95%CI)	p	β coefficient (95%CI)	p
Adequate colon cleansing (yes)	0.133 (0.019–0.246)	0.022	–	–
Cecal intubation (yes)	0.771 (0.115–1.426)	0.021	–	–
Withdrawal time	0.133 (0.106–0.160)	<0.001	0.164 (0.119–0.210)	<0.001
Weekly hours dedicated to endoscopy	0.006 (0.001–0.010)	0.011	–	–
Annual colonoscopy volume (≥500)	–	–	0.319 (0.170–0.468)	<0.001

Advanced adenoma detection
	FIT‐based colonoscopies		Post‐polypectomy surveillance
	OR (95%CI)	p	OR (95%CI)	p
Withdrawal time	1.32 (1.26–1.39)	<0.001	1.16 (1.04–1.29)	0.009
Weekly hours dedicated to endoscopy	1.02 (1.01–1.03)	0.001	–	–

Serrated polyp detection
	FIT‐based colonoscopies		Post‐polypectomy surveillance
	OR (95%CI)	p	OR (95%CI)	p
Cecal intubation (yes; no)	3.44 (1.07–11.10)	0.039	–	–
Withdrawal time	1.11 (1.06–1.16)	<0.001	1.15 (1.04–1.27)	0.006
Endoscopist age	–	–	0.97 (0.95–0.99)	0.004

SPPCR
	FIT‐based colonoscopies		Post‐polypectomy surveillance
	β coefficient (95%CI)	p	β coefficient (95%CI)	p
Adequate colon cleansing (yes)	–	–	0.333 (0.079–0.586)	0.010
Cecal intubation (yes; no)	1.450 (0.312–2.586)	0.012	–	–
Withdrawal time	0.172 (0.125–0.220)	<0.001	0.241 (0.163–0.319)	<0.001
Endoscopist age	–	–	−0.019 (−0.035 to −0.003)	0.018

Abbreviations: APCR, adenoma per colonoscopy rate; CI, confidence interval; OR, odds ratio; SPPCR, serrated polyps per colonoscopy rate.