Demographic features and risk factors
| Collagenous colitis (n=96) | Lymphocytic colitis (n=80) | p Value2-150 | |
|---|---|---|---|
| Sex: M/F (%) | 27/73 | 45/50 | 0.013 |
| Age (y) at diagnosis | |||
| Mean | 64.3 | 63.6 | NS |
| SD | 14.5 | 15.8 | |
| Range | 23–87 | 22–91 | |
| Smoking | 0.013 | ||
| Active smoker | 24 (25%) | 11 (14%) | |
| Former smoker | 8 (8.3%) | 18 (23%) | |
| Never smoked | 37 (38.5%) | 25 (31%) | |
| Unknown | 31 (32.3%) | 26 (33%) | |
| Coffee use | NS | ||
| Excessive | 5 (5%) | 1 (1.2%) | |
| Normal | 28 (29%) | 30 (37.5%) | |
| Unknown | 63 (66%) | 49 (61.2%) | |
| Aspirin | 11 (11.4%) | 17 (21.2%) | NS |
| NSAID | 16 (16.6%) | 12 (15%) | NS |
↵2-150 χ2 test.
NSAID, non-steroidal anti-inflammatory drug.