Table 2. Incidence of clinical events during follow-up (/100 person-years).
| Outcomes | Entire cohort |
Patients without OAC |
Patients with OAC |
|||
|---|---|---|---|---|---|---|
| Incidence rate | p value* | Incidence rate | p value* | Incidence rate | p value* | |
| Stroke/SE | 2.4 | 2.2 | 2.5 | |||
| LAE | 3.4 | <0.01 | 3.4 | <0.01 | 3.3 | <0.01 |
| Non-LAE | 1.7 | 1.7 | 1.8 | |||
| Ischemic stroke | 1.7 | 1.4 | 1.9 | |||
| LAE | 2.4 | <0.01 | 2.2 | 0.02 | 2.6 | 0.01 |
| Non-LAE | 1.2 | 1.1 | 1.3 | |||
| Hemorrhagic stroke | 0.6 | 0.7 | 0.6 | |||
| LAE | 0.9 | 0.046 | 1.0 | 0.26 | 0.8 | 0.11 |
| Non-LAE | 0.5 | 0.6 | 0.4 | |||
| All-cause death | 6.3 | 7.5 | 5.3 | |||
| LAE | 7.0 | 0.05 | 8.3 | 0.31 | 6.3 | <0.01 |
| Non-LAE | 5.8 | 7.2 | 4.4 | |||
| Cardiac death | 1.0 | 0.9 | 1.0 | |||
| LAE | 1.1 | 0.40 | 1.1 | 0.48 | 1.1 | 0.67 |
| Non-LAE | 0.9 | 0.8 | 0.9 | |||
| Non-cardiac death | 5.3 | 6.6 | 4.3 | |||
| LAE | 5.9 | 0.08 | 7.2 | 0.41 | 5.2 | <0.01 |
| Non-LAE | 4.9 | 6.3 | 3.4 | |||
| Stroke/SE/All-cause death | 8.1 | 9.3 | 7.2 | |||
| LAE | 9.5 | <0.01 | 11.0 | 0.07 | 8.6 | <0.01 |
| Non-LAE | 7.3 | 8.7 | 5.3 | |||
*p value for comparison between LAE versus non-LAE from log-rank test. LAE = left atrial enlargement, OAC = oral anticoagulant, SE = systemic embolism.