Table 1: Demographics of Patients Included in Studies.
| Demographic | Epicardial alone | Hybrid | Difference |
|---|---|---|---|
| Mean (SD) | (p-value) | ||
| (30 series, 2132 patients) | (12 series, 605 patients) | ||
| Age (years) | 59.1 (4.1) | 60.5 (2.9) | 0.22 |
| Gender (male) (%) | 69.6 (11.6) | 76.5 (13.8) | 0.16 |
| LA diameter (mm) | 46.0 (4.2) | 48.7 (2.8) | 0.02 |
| LV ejection fraction (%) | 56.6 (4.4) | 54.4 (4.8) | 0.24 |
| BMI (kg/m2) | 28.6 (3.0) | 29.7 (2.1) | 0.35 |
| CHADS score | 1.2 (1.0) | 1.2 (0.2) | 0.80 |
| Prior catheter ablation (%) | 28.6 (25.9) | 28.7 (33.4) | 0.99 |
| Paroxysmal AF (%) | 43.6 (33.3) | 9.3 (16.1) | <0.001 |
| Persistent AF (%) | 30.0 (28.6) | 35.7 (30.0) | 0.58 |
| Longstanding persistent AF (%) | 26.4 (37.3) | 55.2 (34.7) | 0.03 |
| Duration of AF (years) | 5.0 (2.1) | 5.0 (1.3) | 0.99 |
BMI = body mass index; LA = left atrial; LV = left ventricular. Values in bold denote statistically significant differences