Interaction between hyperhomocysteinemia and the use of oral contraceptives in determining cerebral vein thrombosis in 80 patients and 148 control subjects of reproductive age
Hyperhomocysteinemia . | Oral contraceptive intake . | Patients, n . | Control subjects, n . | Odds ratio (95% CI) . | Odds ratio (95% CI)* . |
|---|---|---|---|---|---|
| No | No | 16 | 96 | 1 (reference) | 1 (reference) |
| No | Yes | 44 | 39 | 6.8 (3.4-13.4) | 8.6 (3.9-18.8) |
| Yes | No | 7 | 9 | 4.7 (1.5-14.3) | 7.1 (2.1-23.5) |
| Yes | Yes | 13 | 4 | 19.5 (5.7-67.3) | 18.3 (4.9-68.1) |
Hyperhomocysteinemia . | Oral contraceptive intake . | Patients, n . | Control subjects, n . | Odds ratio (95% CI) . | Odds ratio (95% CI)* . |
|---|---|---|---|---|---|
| No | No | 16 | 96 | 1 (reference) | 1 (reference) |
| No | Yes | 44 | 39 | 6.8 (3.4-13.4) | 8.6 (3.9-18.8) |
| Yes | No | 7 | 9 | 4.7 (1.5-14.3) | 7.1 (2.1-23.5) |
| Yes | Yes | 13 | 4 | 19.5 (5.7-67.3) | 18.3 (4.9-68.1) |
Adjusted for age, body mass index, and smoking status.