Table 5.

Colonoscopy quality metrics following a positive mt-sDNA test, following a positive FIT test, or colonoscopy alone (average-risk patients^a).

Colonoscopy preparation quality
	Colonoscopy after positive mt-sDNA test		Colonoscopy after positive FIT test		Colonoscopy only		Overall P	P value (mt-sDNA vs. FIT)	P value (mt-sDNA vs. colo only)	P value (FIT vs. colo only)
Total number of patients	(N = 240)		(N = 194)		(N = 26,221)
Colonoscopy preparation quality	N	%	N	%	N	%
Excellent or good	191	91.4	170	91.4	22,347	94.5	0.0280	1.0000	0.0648	0.0736
Fair	18	8.6	16	8.6	1,296	5.5
Missing	31		8		2,578

Withdrawal time and recommended rescreening interval among patients with normal exams with no findings
	Colonoscopy after positive mt-sDNA test		Colonoscopy after positive FIT test		Colonoscopy only		Overall P	P value (mt-sDNA vs. FIT)	P value (mt-sDNA vs. colo only)	P value (FIT vs. colo only)
Total number of patients	(N = 55)		(N = 68)		(N = 12,813)
Withdrawal timeb	N	%	N	%	N	%
Less than 9 minutes	20	48.8	27	51.9	4,705	47.5	0.8148	0.8358	0.8771	0.5787
Greater than or equal to 9 minutes	21	51.2	25	48.1	5,191	52.5
Missing	14		16		2,917
Recommended colonoscopy rescreening interval
	N	%	N	%	N	%	0.0129	0.5673	0.2419	0.0104
Less than 10 years	5	14.7	10	21.3	910	9.3
Greater than or equal to 10 years	29	85.3	37	78.7	8,871	90.7
Missing	21		21		3,032

Abbreviation: colo, colonoscopy.

^aAverage-risk definition: No prior personal history of polyps or colorectal cancer and no first degree family history of colorectal cancer.

^bWithdrawal time data is censored at <2 and >10 minutes.