Table 2.
Demographic, biochemical and clinical characteristics of IBD patients with and without sacroiliitis
| Sacroiliitis | Present (n=8) | Absent (n=19) | p |
| Gender (F/M) | 4/4 | 12/7 | 0.824 |
| Age (years), mean±SD | 11.8±3.7 | 13.3±3.5 | 0.182 |
| Weight SDS, mean±SD | 0.19±0.95 | -0.18±1.23 | 0.453 |
| BMI SDS, mean±SD | -0.27±0.63 | -0.11±1.25 | 0.737 |
| Hemoglobin (g/dl), mean±SD | 12.2±0.74 | 12.6±0.93 | 0.240 |
| WBC (×103/μL), mean±SD | 9.55 (4.52) | 8.90 (3.33) | 1.00 |
| Platelet (×103/μL), mean±SD | 380±84 | 359±296 | 0.465 |
| Albumin (g/dl), mean±SD | 3.91±0.24 | 3.97±0.25 | 0.569 |
| ESR (mm/h), median (IQR) | 28 (24) | 22 (11) | 0.038 |
| CRP (mg/dl), median (IQR) | 0.55 (0.48) | 0.20 (0.20) | 0.022 |
| Duration of disease (months), median (IQR) |
6.0 (18.0) | 12.0 (13.5) | 0.391 |
| PCDAI, median (IQR) | 28.0 (25.0) | 30.0 (5.0) | 0.452 |
| PUCAI, median (IQR) | 24.0 (1.25) | 20.0 (10.0) | 0.229 |
| IBD activity-remission, (%) | 4 | 29 | 0.778 |
| IBD activity-mild to moderate disease, (%) |
26 | 41 |
SD: Standard deviation; Weight SDS: Weight standard deviation score; BMI SDS: Body mass index standard deviation score; IQR: Interquartile range; IBD: Inflammatory bowel disease; IC: Indeterminate colitis; PCDAI: Pediatric crohn’s disease activity index; PUCAI: Pediatric ulcerative colitis activity index; ESR: Erythrocyte sedimentation rate; CRP: C-reactive protein; WBC: White blood cell.