Symptoms
| Collagenous colitis (n=96) | Lymphocytic colitis (n=80) | p Value3-150 | |
|---|---|---|---|
| Diarrhoea | NS | ||
| Acute | 10 (10%) | 15 (19%) | |
| Intermittent | 15 (16%) | 11 (14%) | |
| Chronic | 70 (74%) | 54 (67%) | |
| Duration of symptoms before diagnosis (months) | 0.06 | ||
| Median | 4 | 2 | |
| p25–p75 | 1–24 | 0–6.5 | |
| Range | 0–600 | 0–240 | |
| Frequency (no of bowel movements per day) | NS | ||
| <2 | 11 (12%) | 14 (17%) | |
| 3–5 | 40 (41%) | 30 (38%) | |
| >5 | 45 (47%) | 36 (45%) | |
| Stool consistency | NS | ||
| Watery | 66 (69%) | 59 (73%) | |
| Mucous | 9 (94%) | 6 (7.5%) | |
| Bloody | 1 (1%) | 2 (3%) | |
| Meteorism | 20 (21%) | 14 (18%) | NS |
| Abdominal pain | NS | ||
| Severe | 5 (5%) | 0 (0%) | |
| Slight | 17 (18%) | 17 (21%) | |
| Intermittent cramps | 28 (29%) | 7 (9%) | |
| Weight loss | 41 (42%) | 38.4 (48%) | NS |
| Extraintestinal manifestations | NS | ||
| Arthritis | 10 (11%) | 10 (13%) | |
↵3-150 χ2 test.