Determinants of high sessile serrated lesion detection: Role of faecal occult blood test and colonoscopy quality indicators

Table 3 Patient demographics and colonoscopy characteristics, n (%)

Characteristic	SSL detections		Overall (n = 1450)	Respective SSL-DRs, %
	None (n = 1005)	At least one (n = 445)
Age at colonoscopy
mean ± SD	66.6 ± 13.2	66.7 ± 13.3	66.6 ± 13.2	N/A
Median (minimum-maximum)	68.8 (17.0-93.5)	69.8 (16.3-92.2)	69.2 (16.3-93.5)	N/A
Patient sex
Male	408 (40.6)	182 (40.9)	590 (40.7)	30.8
Female	597 (59.4)	263 (59.1)	860 (59.3)	30.6
Indication
Clinical symptoms	317 (31.5)	102 (22.9)	419 (28.9)	24.3
FOBT (+)	58 (5.8)	42 (9.4)	100 (6.9)	42.0
Surveillance (previous patient)	541 (53.8)	251 (56.4)	792 (54.6)	31.7
Surveillance (new patient)	45 (4.5)	29 (6.5)	74 (5.1)	39.2
Screening	44 (4.4)	21 (4.7)	65 (4.5)	32.3
Bowel preparation status
Inadequate (BBPS ≤ 5)	58 (5.8)	11 (2.5)	69 (4.8)	15.9
Adequate (BBPS 6 or 7)	311 (30.9)	128 (28.8)	439 (30.3)	29.2
Good (BBPS 8 or 9)	636 (63.3)	306 (68.8)	942 (65.0)	32.5
Serrated polyposis syndrome diagnosis
Absent	959 (95.4)	377 (84.7)	1336 (92.1)	28.2
Prior	46 (4.6)	58 (13.0)	104 (7.2)	55.8
New	0 (0)	10 (2.2)	10 (0.7)	100.0
Inflammatory bowel disease
Absent	959 (95.4)	437 (98.2)	1396 (96.3)	31.3
Present	46 (4.6)	8 (1.8)	54 (3.7)	14.8
Endoscopist
1	857 (85.3)	397 (89.2)	1254 (86.5)	31.6
2	148 (14.7)	48 (10.8)	196 (13.5)	24.5
Intubation depth
Terminal ilium	992 (98.7)	443 (99.6)	1435 (99.0)	30.9
Caecum	3 (0.3)	2 (0.4)	5 (0.3)	40.0
Not to caecum	7 (0.7)	0 (0)	7 (0.5)	0.0
No comment	3 (0.3)	0 (0)	3 (0.2)	0.0
Colonoscopy occurrences in 2023
Sole colonoscopy	996 (99.1)	442 (99.3)	1438 (99.2)	30.7
First colonoscopy	9 (0.9)	3 (0.7)	12 (0.8)	25.0

FOBT (+): Faecal occult blood test positive; SSL: Sessile serrated lesion; SSL-DR: Sessile serrated lesion detection rate; N/A: Not applicable.