Intervention (level change) | ||||||
Unadjusted | Seasonality adjusted | |||||
IRR | 95% CI | P value | IRR | 95% CI | P value | |
Measure 1 | 0.83 | 0.731 to 0.958 | <0.010** | 0.83 | 0.712 to 0.963 | <0.014* |
Measure 2 | 0.74 | 0.555 to 0.993 | <0.045* | 0.75 | 0.550 to 1.025 | <0.071 |
Measure 3 | 0.94 | 0.618 to 1.417 | <0.755 | 0.93 | 0.597 to 1.449 | <0.749 |
Measure 4 | 0.93 | 0.569 to 1.502 | <0.751 | 0.92 | 0.520 to 1.621 | <0.769 |
Measure 1: admission with stroke as primary diagnosis
Measure 2: admission with stroke as primary diagnosis and AF as secondary diagnosis
Measure 3: admission with bleeding as primary diagnosis and AF in any position of diagnosis.
Measure 4: admission with bleeding as primary diagnosis and use of OAC as secondary diagnosis
*P<0.05, **p<0.01
AF, atrial fibrillation; IRR, incidence rate ratio; ITS, interrupted time series; OAC, oral anticoagulation.