Baseline characteristics of patients with Crohn’s disease related to oral contraceptive use
| Characteristic | Non-users (n=197) | Users (n=134) | p Value |
|---|---|---|---|
| Age (years) | 32 (27–40) | 28 (25–33) | 0.00001 |
| Duration of disease (months) | 78 (38–136) | 52(22–99) | 0.0005 |
| Crohn’s disease activity index | 80 (52–118) | 76 (49–122) | NS |
| Active disease during the previous year | 111 (56) | 89 (66) | NS |
| Active intestinal lesions | 163 (83) | 110 (82) | NS |
| Current smokers | 108 (55) | 78 (58) | NS |
| Current therapy | |||
| Mesalamine, olsalazine or sulphasalazine | 106 (54) | 68 (51) | NS |
| Steroids | 58 (29) | 42 (31) | NS |
| Azathioprine or methotrexate | 50 (25) | 29 (22) | NS |
| No treatment | 26 (13) | 18 (13) | NS |
Results are expressed as median (interquartile range) or number (%).