Adjusted* odds ratios (OR, including 95% confidence interval (CI)) for bladder cancer associated with cyclophosphamide use in Swedish patients with Wegener’s granulomatosis
| Variable | OR (95% CI) |
|---|---|
| *Adjusted for age (linear) and smoking (ever v other). | |
| Cumulative dose (per 10 g) | 2.0 (0.8 to 6.9) |
| Cumulative dose < 5 g | 1.0 (reference) |
| Cumulative dose ⩾25 g | 5.2 (0.8 to 36) |
| Duration of treatment (per year) | 1.1 (1.0 to 1.3) |
| Duration of treatment <1 year | 1.0 (reference) |
| Duration of treatment ⩾1 year | 7.7 (0.9 to 69) |