Table 1.
Patient and image characteristics in the training and validation datasets.
| Patients |
Normal training datasets
(n = 474) |
Normal validation datasets
(n = 82) |
UC training datasets
(n = 440) |
UC validation datasets
(n = 72) |
CD training datasets
(n = 444) |
CD validation datasets
(n = 64) |
|---|---|---|---|---|---|---|
| Males, n Age, y, mean (SD) (%) |
238 (42.81%) 42.6 (13.5) |
202 (39.45%) 41.8 (14.1) |
192 (37.80%) 43.4 (14.7) |
|||
| BBPS (mean, median, range) | 2.85, 3, (1-3) | 2.61, 3, (1-3) | 2.50, 3, (1-3) | 1.92, 2, (1-3) | 2.4, 2, (1-3) | 2.0, 2, (1-3) |
| Disease duration, y, mean (SD) | – | 2.58 (1.24) | 2.38 (1.11) | 4.63 (2.35) | 4.11 (1.17) | |
| Disease manifestation | ||||||
| Diarrhea, n (%) | – | – | 346 (78.64%) | 61 (86.11%) | 353 (79.50%) | 43 (67.19%) |
| Abdominal pain, n (%) | – | – | 322 (73.18%) | 56 (77.78%) | 262 (66.00%) | 49 (76.56%) |
| CDAI, mean (SD) | – | – | – | – | 277.56 (104.00) | 284.06 (88.01) |
| SES-CD, mean (SD) | – | – | – | – | 6.52 (2.52) | 5.75 (2.66) |
| Mayo endoscopy score | ||||||
| 1, n (%) | – | – | 94 (21.36%) | 10 (13.89%) | – | – |
| 2, n (%) | – | – | 48 (10.91%) | 11 (15.28%) | – | – |
| 3, n (%) | – | – | 298 (67.73%) | 51 (70.83%) | – | – |
| Number of images per patient, mean (SD) | 23 (2.4) | 21 (1.7) | 21 (1.2) | |||
UC, ulcerative colitis; CD, Crohn's disease, BBPS, Boston bowel preparation score; y, year; SD, standard deviation.