Table 2.
Subgroup analyses based on the data on recurrence of AF.
| Factors | Recurrence of AF | ||
|---|---|---|---|
| No. of studies | RR (95% CI) | P value | |
| Age ≥65 | 2 | 0.88 [0.69, 1.11] | 0.27 |
| Age <65 | 3 | 0.58 [0.42, 0.79] | 0.0005 |
| Atorvastatin 80 mg | 2 | 0.82 [0.67, 1.00] | 0.05 |
| Atorvastatin 10 mg | 1 | 0.27 [0.09, 0.86] | 0.03 |
| Pravastatin 40 mg | 1 | 1.06 [0.61, 1.84] | 0.84 |
| Rosuvastatin 20 mg | 1 | 0.38 [0.16, 0.95] | 0.04 |
| LAD ≥45 mm | 2 | 0.64 [0.47, 0.88] | 0.006 |
| LAD <45 mm | 3 | 0.81 [0.65, 1.02] | 0.07 |
| 2 to 3-month follow-up | 3 | 0.63 [0.42, 0.97] | 0.03 |
| 6 to 12-month follow-up | 2 | 0.82 [0.67, 1.00] | 0.05 |
AF – atrial fibrillation; CI – confidence interval; LAD – left atrial diameter; RR – risk ratio.