Table 2.

Very early repeat colonoscopy: patient characteristics and description of index colonoscopy (7,892).

Clinical setting of index colonoscopy	Teaching hospital	Community hospital	Nonhospital facility
	955/35,988 (2.7%)	3,890/181,039 (2.1%)	3,047/117,636 (2.6%)	7,892/334,663
Patient characteristics				P value among strata
Age
50–54 years	175 (18.3%)	707 (18.2%)	777 (25.5%)	<0.0001
55–59 years	166 (17.4%)	715 (18.4%)	625 (20.5%)
60–64 years	180 (18.9%)	741 (19.1%)	629 (20.6%)
65–69 years	181 (19.0%)	776 (20.0%)	528 (17.3%)
70–74 years	154 (16.1%)	555 (14.3%)	322 (10.6%)
75–79 years	99 (10.4%)	396 (10.2%)	166 (5.5%)
Female	445 (46.6%)	1651 (42.4%)	1290 (42.3%)	0.05
Male	510 (53.4%)	2239 (57.6%)	1757 (57.7%)
Residence
Income quintile 1	174 (18.2%)	529 (13.6%)	451 (14.8%)	<0.0001
Income quintile 2	156 (16.3%)	598 (15.4%)	531 (17.4%)
Income quintile 3	163 (17.1%)	630 (16.2%)	587 (19.3%)
Income quintile 4	179 (18.7%)	680 (17.5%)	657 (21.6%)
Income quintile 5	199 (20.8%)	638 (16.4%)	692 (22.7%)
Rural	84 (8.8%)	815 (21.0%)	129 (4.2%)
ADG score
Mean (SD)	5.93 (3.49)	5.44 (3.09)	4.83 (2.84)	<0.0001
Median (IQR)	5 (3–8)	5 (3–7)	4 (3–6)
Colonoscopy description
Complete	770 (80.6%)	3409 (87.6%)	2617 (85.9%)	<0.0001
Incomplete	185 (19.4%)	481 (12.4%)	430 (14.1%)
Open access	564 (59.1%)	1193 (30.7%)	2172 (71.3%)	<0.0001
Not open access	391 (40.9%)	2697 (69.3%)	875 (28.7%)
Most complex procedure at index colonoscopy
Removal of large polyp or obstructing lesion	59 (6.2%)	407 (10.5%)	181 (5.9%)	<0.0001
Standard polypectomy	318 (33.3%)	1247 (32.1%)	876 (28.8%)
Biopsy	165 (17.3%)	567 (14.6%)	442 (14.5%)
None of the above or none	413 (43.3%)	1669 (42.9%)	1548 (50.8%)