TABLE 2.
Baseline patients characteristics included in the meta‐analysis
| No of studies |
All patients (N = 970) |
Steerable sheath (N = 516) |
Nonsteerable sheath (N = 454) |
p‐value | |
|---|---|---|---|---|---|
| Age, year | 10 | 60.7 ± 9.8 | 59.2 ± 11.1 | 59.5 ± 11.1 | NS (.42) |
| Male | 10 | 62.7% (608/970) | 63.4% (327/516) | 61.9% (281/454) | NS (.64) |
| BMI | 4 | 25 ± 3.8 | 25 ± 3.8 | 25 ± 3.7 | NS (.85) |
| Hypertension | 7 | 46% (338/734) | 45.4% (179/394) | 46.8% (159/340) | NS (.72) |
| Diabetes mellitus | 4 | 10.4% (39/374) | 11.8% (24/203) | 8.8% (15/171) | NS (.34) |
| CAD | 4 | 11.3% (53/469) | 12.1% (29/240) | 10.5% (24/229) | NS (.58) |
| CHADS2 score | 4 | 1.84 ± 1.4 | 1.81 ± 1.4 | 1.87 ± 1.5 | NS (.72) |
| LA diameter, mm | 10 | 40.6 ± 7.7 | 40.5 ± 8.2 | 40.7 ± 7.1 | NS (.77) |
| LVEF, % | 7 | 63.5 ± 7.8 | 63.4 ± 8 | 63.6 ± 7.7 | NS (.79) |
| Paroxysmal AF, % | 10 | 61.6% (598/970) | 59.3% (306/516) | 64.3% (292/454) | NS (.11) |
| AF history, m | 5 | 47.5 ± 52.5 | 46.7 ± 54.6 | 48.2 ± 50.1 | NS (.75) |
| Procedure time, min | 7 | 175.7 ± 93.4 | 172.6 ± 62.9 | 179 ± 117 | .05 |
| Fluoroscopy time, min | 7 | 21.3 ± 19.8 | 19.8 ± 17 | 22.8 ± 22.2 | NS (.27) |
| RF application time, min | 5 | 41.7 ± 14.3 | 40.7 ± 14 | 42.8 ± 14.6 | NS (.12) |
Abbreviations: AF, atrial fibrillation; BMI, body mass index; CAD, coronary artery disease; LA, left atrium; LVEF, left ventricular ejection fraction; NS, not significant; RF, radiofrequency.