Supply and quality of colonoscopy according to the characteristics of gastroenterologists in the French population-based colorectal-cancer screening program

Table 5 Proportion of colonoscopies performed beyond 7 mo and proportion of serious adverse events, according to the characteristics of the cohort of gastroenterologists who performed at least one colonoscopy in each of the three periods (guaiac fecal occult blood test, fecal immunochemical test, STOP-fecal immunochemical test, and COVID)

Characteristics of the cohort of gastroenterologists	Proportion of colonoscopies performed beyond 7 mo by period					Proportion of serious adverse events by period
	gFOBT	FIT	STOP-FIT	COVID	P1	gFOBT	FIT	STOP-FIT	COVID	P1
	Nb of Colo (% > 7 mo)	Nb of Colo (% > 7 mo)	Nb of Colo (% > 7mo)	Nb of Colo (% > 7 mo)		%EI	%EI		%EI
Overall	21509 (5.3)	38352 (6.2)	7342 (11.3)	7995 (9.2)	< 10-3	0.3	0.3	0.3	0.2	0.10
Annual Nb of Colo
1	304 (10.1)	150 (11.8)	38 (18.4)	51 (12.0)	< 10-3	0.3	0	0	0	0.67
2-30	16819 (5.5)	15970 (6.9)	4887 (11.8)	4211 (9.4)	< 10-3	0.3	0.4	0.3	0.1	0.09
31-100	4386 (4.1)	21137 (5.7)	2817 (10.6)	3733 (9.0)	< 10-3	0.4	0.2	0.3	0.2	0.25
> 100		1095 (3.7)					0.2
Place of Colo performance
Clinic	15745 (4.8)	27003 (5.4)	5039 (10.4)	5560 (8.3)	< 10-3	0.3	0.3	0.3	0.1	0.16
Private hospital	3041 (5.1)	6500 (5.9)	1359 (9.6)	1621 (9.5)	< 10-3	0.3	0.2	0.2	0.2	0.71
Public hospital	2723 (8.5)	4849 (10.6)	940 (18.8)	795 (15.1)	< 10-3	0.6	0.6	0.2	0.4	0.48
Average density of GE (GE/100000 iHbts)
Low	4643 (5.1)	8419 (5.8)	1519 (11.5)	1800 (9.1)	< 10-3	0.3	0.2	0.3	0.1	0.59
Average	3245 (4.9)	4314 (6.5)	810 (11.0)	781 (9.9)	< 10-3	0.2	0.3	0.1	0.5	0.48
High	13621 (5.5)	25619 (6.2)	5009 (11.3)	5395 (9.2)	< 10-3	0.4	0.3	0.3	0.1	0.04
Annual Nb of Colo locations
1 location	14437 (5.6)	24851 (6.3)	4763 (10.6)	5160 (9.5)	< 10-3	0.4	0.3	0.3	0.2	0.17
≥ 2 location	7072 (4.8)	13501 (6.0)	2575 (12.7)	2816 (8.7)	< 10-3	0.2	0.2	0.2	0.1	0.80
Residence of the patient
Colonoscopy’s supply municipality	4947 (4.9)	7775 (5.9)	1502 (11.6)	1530 (8.0)	< 10-3	0.2	0.3	0.3	0.0	0.18
Other municipality in Colonoscopy’s supply department	13259 (5.1)	23754 (6.0)	4401 (11.0)	4982 (9.6)	< 10-3	0.4	0.3	0.2	0.2	0.02
Other departments in IDF	3303 (6.6)	6823 (6.9)	1435 (12.1)	1464 (9.2)	< 10-3	0.3	0.4	0.4	0.3	0.80
Age (in yr) of the patients
50-54	4995 (6.7)	8018 (7.0)	1695 (12.2)	1616 (11.0)	< 10-3	0.2	0.2	0.1	0.1	0.43
55-59	4669 (5.7)	7355 (6.6)	1446 (11.8)	1560 (9.9)	< 10-3	0.3	0.3	0.4	0.2	0.79
60-64	4889 (4.7)	7851 (5.9)	1478 (10.3)	1531 (8.9)	< 10-3	0.4	0.3	0.5	0.3	0.76
65-69	3766 (4.4)	8511 (5.5)	1403 (11.7)	1590 (8.2)	< 10-3	0.4	0.3	0.3	0.1	0.20
≥ 70	3190 (4.6)	6617 (5.7)	1316 (10.6)	1679 (8.2)	< 10-3	0.5	0.4	0.2	0.2	0.49

¹Cochran Q test.

Colo: Screening colonoscopy; Colo+: Positive screening colonoscopy; FIT: Fecal immunochemical test; GE: Gastroenterologist; gFOBT: Guaiac fecal occult blood test; iHbts: Inhabitants; IDF: Ile-De-France; Nb: Number.