Statistical analysis of the association between IS900 polymerase chain reaction results and clinical features in 100 Crohn’s disease patients
| Factor | n | IS900 positive | OR (95% CI) | p Value |
|---|---|---|---|---|
| OR (95% CI), odds ratio (95% confidence interval). | ||||
| Sex | 0.191 | |||
| Male | 40 | 24 | 1 | |
| Female | 60 | 28 | 0.583 (0.26–1.30) | |
| Duration of disease (y) | 0.0392 | |||
| <15 | 74 | 43 | 1 | |
| ⩾15 | 26 | 9 | 0.382 (0.15–0.95) | |
| Age at diagnosis (y) (Vienna status) | 0.322 | |||
| <40 (A1) | 90 | 45 | 1 | |
| ⩾40 (A2) | 10 | 7 | 2.332 (0.61–11.35) | |
| Location (Vienna status) | 0.0466 | |||
| Upper GI (L4) | 2 | 1 | 1 | |
| Terminal ileum (L1) | 42 | 17 | 1 | |
| Ileocolon (L3) | 35 | 20 | 1.926 (0.79–4.81) | |
| Colon (L2) | 21 | 14 | 2.889 (1.0–8.99) | |
| Behaviour (Vienna status) | 0.487 | |||
| Stricturing (B2) | 22 | 10 | 1 | |
| Penetrating (B3) | 78 | 42 | 1.400 (0.54–3.69) | |
| Perianal disease | 0.0394 | |||
| Yes | 33 | 22 | 2.466 (1.05–6.05) | |
| No | 67 | 30 | 1 | |
| Granuloma | 0.321 | |||
| Yes | 49 | 23 | 0.671 (0.30–1.47) | |
| No | 51 | 29 | 1 | |
| Corticosteroids | 0.0097 | |||
| Yes | 76 | 34 | 0.270 (0.09–0.72) | |
| No | 24 | 18 | 1 | |