Table 1.

Cross-sectional adherence with the Mt-sDNA test, by patient-level factors.

	Cross-sectional adherence			Time to adherence (TTA)
Patient-level factor	Mt-sDNA tests ordered, N	Mt-sDNA tests completed, N	%	Median (IQR), days
All eligible study patients	368,494	262,084	71.1	27 (20, 37)
Age (y)
65–69	141,191	99,764	70.7	28 (21, 39)
70–74	121,566	86,220	70.9	27 (20, 37)
75–79	70,502	50,998	72.3	25 (20, 35)
80–85	35,235	25,102	71.2	24 (19, 34)
Gender
Women	235,617	166,601	70.7	28 (21, 38)
Men	132,806	95,433	71.9	26 (20, 35)
Medicare coverage type
Traditional Medicare	250,800	178,922	71.3	27 (20, 37)
Medicare advantage	117,694	83,162	70.7	27 (20, 37)
Test order date
September 2016	21,429	15,276	71.3	21 (15, 31)
October 2016	23,961	16,894	70.5	24 (18, 34)
November 2016	26,032	18,538	71.2	27 (21, 35)
December2016	23,408	16,474	70.4	29 (21, 41)
January 2017	26,894	19,591	72.8	27 (21, 36)
February 2017	27,161	19,821	73.0	28 (21, 38)
March 2017	34,339	24,553	71.5	28 (22, 37)
April 2017	32,532	23,343	71.8	27 (21, 39)
May 2017	38,921	27,674	71.1	29 (23, 39)
June 2017	37,898	26,745	70.6	26 (20, 37)
July 2017	33,690	23,636	70.2	24 (17, 37)
August 2017	42,229	29,539	69.9	25 (19, 36)

Mt-sDNA: multi-target stool DNA; TTA: median time to adherence; IQR: interquartile range.