Table 1.
Clinical data of the pediatric study groups at the time of diagnostic endoscopy
| Patient groups | Surgery | Disease | Non-IBD |
| controls | controls | ||
| No. of patients (male) | 24 (11) | 27 (15) | 20 (10) |
| Age at diagnosis (yr), median (range) | 13.1 (3.1-16.0) | 12.1 (2.8-16.6) | 13.5 (2.7-16.8) |
| Time from diagnosis to surgery (yr), median (range) | 2.1 (0.1-7.4) | - | - |
| Follow-up (yr), median (range) | - | 6.3 (2.8-10.7) | 1.0 (0.0-4.0) |
| Endoscopic disease extension | |||
| Proctitis | 0 | 1 | - |
| Left-sided colitis | 9 | 6 | - |
| Pancolitis | 15 | 20 | - |
| No inflammation | - | - | 20 |
| Histological inflammation1 | |||
| No inflammation | - | - | 18 |
| Mild | 6 | 10 | 1 |
| Moderate to severe | 18 | 17 | - |
| Laboratory markers, median (range) | |||
| Hb (g/L) | 112 (86-135) | 116 (86-140) | 131.0 (93-153) |
| ESR (mm/h) | 25 (7-61) | 22 (7-63) | 8 (2-23) |
| CRP (mg/L) | 20 (< 3-92) | 9 (< 5-36) | < 3 (< 3-< 5) |
| WBC (E9/L) | 9.6 (6.7-26.3) | 7.5 (4.1-15.9) | 5.1 (3.0-16.3) |
| Alb (g/L) | 34.6 (28.0-40.0) | 36.2 (23.6-42.6) | 42.3 (39.8-47.2) |
1
For the non-inflammatory bowel disease (IBD) controls, data were missing in one case. Alb: Albumin; CRP: C-reactive protein; ESR: Erythrocyte sedimentation rate; Hb: Haemoglobin; WBC: White blood cell count.