Introduction
Methods
Patients
Study Design
Statistical Analysis
The AI-Assisted System
Results
Clinical Characteristics
Patient characteristic | Traditional colonoscopy (n = 150) | AI-assisted colonoscopy (n = 150) | p value |
---|---|---|---|
Withdrawal time, seconds, mean ± SD | 370.15 ± 31.44 | 373.17 ± 33.37 | 0.102 |
Age, years, mean ± SD (range) | 41.3 ± 10.4 (18-68) | 41.3 ± 10.4 (18-68) | 1.000 |
Sex | |||
Male, n (%) | 76 (51) | 76 (51) | 1.000 |
Female, n (%) | 74 (49) | 74 (49) | 1.000 |
Bowel preparation score | |||
< 6, n (%) | 24 (16) | 24 (16) | 1.000 |
≥ 6, n (%) | 126 (84) | 126 (84) | 1.000 |
Polyp Characteristics
Variable | Traditional colonoscopy (n = 80) | AI-assisted colonoscopy (n = 105) | p value |
---|---|---|---|
Location of polyp | 0.764 | ||
Left colon, n (%) | 44 (55.00) | 57 (54.29) | 0.923 |
Transverse colon, n (%) | 22 (27.50) | 33 (31.43) | 0.562 |
Right colon, n (%) | 14 (17.50) | 15 (14.28) | 0.551 |
Polyp size | 0.935 | ||
<6 mm, n (%) | 69 (86.25) | 91 (86.67) | |
≥6 mm, n (%) | 11 (13.75) | 14 (13.33) | |
Polyp typea | 0.352 | ||
0-IIa, n (%) | 61 (76.25) | 87 (82.86) | 0.266 |
0-Is, n (%) | 8 (10.00) | 5 (4.76) | 0.167 |
0-Ip, n (%) | 11 (13.75) | 13 (12.38) | 0.784 |
Variable | Traditional colonoscopy (n = 150) | AI-assisted colonoscopy (n = 150) | p value |
---|---|---|---|
Patients with at least one polyp, n (PDR) | 51 (34.0%) | 58 (38.7%) | < 0.001 |
Patients with at least one diminutive polyp, n (%) | 45 (30.0%) | 52 (34.7%) | < 0.001 |
Patients with at least one Paris type 0-IIa polyp, n (%) | 39 (26.0%) | 48 (32.0%) | < 0.001 |
Polyps detected, n | 80 | 105 | 0.020 |
Polyps detected, by dimension | |||
< 6 mm, n | 69 | 91 | < 0.001 |
≥ 6 mm, n | 11 | 14 | 0.319 |
Polyps detected, by typea | |||
0-IIa, n | 61 | 87 | 0.010 |
0-Is, n | 8 | 5 | 0.181 |
0-Ip, n | 11 | 13 | 0.319 |
False Positives with the Automatic Polyp Detection System
AI-assisted colonoscopy, n (%) | |
---|---|
False positive | 52 (100.00) |
Submucosal tumor | 4 (7.69) |
Cyst | 1 (1.92) |
Feces | 29 (55.77) |
Ulcer | 4 (7.69) |
Mucosal fold | 10 (19.23) |
Other (bubble, circular blood vessel, and so on) | 4 (7.69) |