Associated conditions
| Collagenous colitis (n=96) | Lymphocytic colitis (n=80) | |
|---|---|---|
| Rheumatoid arthritis | 2 | 3 |
| Thyroid disorders | 13 | 9 |
| Coeliac disease | 3 | 7 |
| Diabetes | ||
| Insulin dependent | 2 | 2 |
| Non-insulin dependent | 6 | 6 |
| Systemic diseases | ||
| SLE | – | 1 |
| Sjögren’s disease | 1 | – |
| Raynaud’s phenomenon | 2 | 1 |
| Sarcoidosis | 1 | – |
| Multiple sclerosis | – | – |
| Asthma/allergy | 7 | 5 |
| Lymphocytic gastritis | – | 1 |
| Psoriasis | 1 | 1 |
| Total autoimmune | 38 | 36 |
| Cholecystectomy | 7 | 6 |
SLE, systemic lupus erythematosus.