Univariate analysis on the full cohort
| Variable | Group | Controls | Cases | Odds ratio (95% CI) | p Value |
|---|---|---|---|---|---|
| 95% CI, 95% confidence interval. | |||||
| Backwash ileitis | No | 85 (89) | 41 (85) | 1 | |
| Yes | 10 (11) | 7 (15) | 2.56 (0.63, 12.42) | 0.19 | |
| Shortened colon | No | 135 (99) | 63 (93) | 1 | |
| Yes | 1 (1) | 5 (7) | 10.0 (1.17, 85.6) | 0.04 | |
| Tubular colon | No | 105 (77) | 44 (65) | 1 | |
| Yes | 31 (23) | 24 (35) | 2.03 (1.00, 4.08) | 0.05 | |
| Featureless colon | No | 121 (89) | 58 (85) | 1 | |
| Yes | 15 (11) | 10 (15) | 1.44 (0.58, 3.60) | 0.43 | |
| Scarring | No | 110 (81) | 49 (72) | 1 | |
| Yes | 26 (19) | 19 (28) | 1.70 (0.83, 3.48) | 0.14 | |
| Segment of severe inflammation | No | 129 (95) | 56 (82) | 1 | |
| Yes | 7 (5) | 12 (18) | 3.38 (1.41, 10.13) | 0.008 | |
| Normal colonic appearance | No | 52 (38) | 41 (60) | 1 | |
| Yes | 84 (62) | 27 (40) | 0.40 (0.21, 0.74) | 0.003 | |
| Post-inflammatory polyps | No | 83 (61) | 26 (38) | 1 | |
| Yes | 53 (39) | 42 (62) | 2.14 (1.24, 3.70) | 0.006 | |
| Colonic stricture | No | 132 (96) | 61 (90) | 1 | |
| Yes | 4 (3) | 7 (10) | 4.22 (1.08, 15.54) | 0.04 | |