Table 2.
Exposure | Number of events | Event rates (per 100 patient-years) | Model | Hazard ratio | 95% CI |
---|---|---|---|---|---|
Current use | 306 | 3.5 | Unadjusted | 0.78 | 0.69, 0.88 |
Adjusted | 0.95 | 0.83, 1.09 | |||
Former use | 243 | 3.6 | Unadjusted | 0.89 | 0.78, 1.02 |
Adjusted | 0.99 | 0.86, 1.15 | |||
No use | 1946 | 4.3 | Reference | Reference | Reference |
CI, confidence interval.