Table 2.
Clinical Outcomes Between the Patients With AF and AFL After Propensity Score Matching
| Variable | AF (n=24 956) | AFL (n=6239) | P Value |
|---|---|---|---|
| Ischemic stroke | |||
| Number of events, n (%) | 1541 (6.17) | 242 (3.88) | |
| Incidence densitya | 1.8 (1.7‐1.9) | 1.1 (1.0‐1.2) | |
| Hazard ratio (95%CI) | 1.63 (1.42‐1.87) | Reference | <0.001 |
| Heart failure hospitalization | |||
| Number of events, n (%) | 1285 (5.15) | 193 (3.09) | |
| Incidence densitya | 1.5 (1.4‐1.6) | 0.9 (0.8‐1.0) | |
| Hazard ratio (95%CI) | 1.70 (1.46‐1.97) | Reference | <0.001 |
| All‐cause mortality | |||
| Number of events, n (%) | 9319 (37.34) | 2182 (34.97) | |
| Incidence densitya | 10.6 (10.4‐10.8) | 9.8 (9.4‐10.2) | |
| Hazard ratio (95%CI) | 1.08 (1.03‐1.13) | Reference | 0.002 |
AF indicates atrial fibrillation; AFL, atrial flutter.
a
Incidence density indicates number of events per 100 person‐years.