Establishment and validation of a computer-assisted colonic polyp localization system based on deep learning

Table 4 Adenoma detection between colonoscopists and colonoscopists + computer-assisted detection

	Colonoscopists		Colonoscopists + CADe		P value
ADR, %	22.0		23.9		0.13
Number of adenomas, mean ± SD
	0.30 ± 0.62		0.32 ± 0.64		0.025
Age
< 50	0.14 ± 0.40		0.15 ± 0.41		0.32
≥ 50	0.43 ± 0.67		0.46 ± 0.69		0.045
Sex
Male	0.38 ± 0.70		0.41 ± 0.73		0.045
Female	0.21 ± 0.48		0.22 ± 0.48		0.32
Location
Proximal	0.12 ± 0.38		0.13 ± 0.39		0.16
Distal	0.17 ± 0.46		0.19 ± 0.47		0.08
Size
≥ 10 mm	0.06 ± 0.28		0.06 ± 0.28		1
6-9 mm	0.11 ± 0.36		0.11 ± 0.36		1
≤ 5 mm	0.12 ± 0.38		0.15 ± 0.42		0.025
Morphology
Flat	0.20 ± 0.47		0.21 ± 0.50		0.045
Subpedunculated	0.07 ± 0.27		0.07 ± 0.28		0.32
Pedunculated	0.03 ± 0.21		0.03 ± 0.21		1
Indications
Screening	0.29 ± 0.65		0.33 ± 0.66		0.08
Surveillance	0.43 ± 0.67		0.45 ± 0.67		0.32
Diagnosis	0.25 ± 0.56		0.26 ± 0.59		0.32
Colonoscopes
CF-Q290	0.31 ± 0.63		0.34 ± 0.65		0.025
CF-Q260	0.23 ± 0.51		0.23 ± 0.51		1
CF-Q240	0.25 ± 0.62		0.25 ± 0.62		1
Experience
> 3000	0.5 ± 0.72		0.5 ± 0.72		1
1000-3000	0.24 ± 0.59		0.27 ± 0.60		0.08
< 1000	0.23 ± 0.53		0.26 ± 0.60		0.16
BBPS
< 6	0.19 ± 0.46		0.19 ± 0.46		1
≥ 6	0.32 ± 0.64		0.35 ± 0.66		0.025
Withdrawal time
< 6 min	0.22 ± 0.57		0.22 ± 0.60		0.32
≥ 6 min	0.38 ± 0.65		0.42 ± 0.65		0.045

CADe: Computer-assisted detection; BBPS: Boston bowel preparation score; ADR: Adenoma detection rate.