Table 2.
Settings and baseline characteristics of the included studies.
| Reference | Location | Type of ablation | Age, years |
Gender, male (%) |
BMI, kg/m2 |
Follow/up duration | |||
|---|---|---|---|---|---|---|---|---|---|
| AF Rec (−) | AF Rec (+) | AF Rec (−) | AF Rec (+) | AF Rec (−) | AF Rec (+) | ||||
| Tsao [15] | Taiwan | RFCA | 53.3 ± 9.0 | 57.1 ± 7.1 | 34 (77%) | 18 (75%) | 25.3 ± 3.0 | 26.2 ± 3.9 | 3 months |
| Nagashima [16] | Japan | RFCA | 56.4 ± 11.0 | 60.7 ± 8.5 | 18 (72.0%) | 13 (86.7%) | 22.4 ± 2.4 | 24.1 ± 2.6 | 3–6 month |
| Murakami [17] | Japan | RFCA | N/A | N/A | N/A | 3 months | |||
| Chao [18] | Taiwan | RFCA | Total: 54.6 ± 10.4 | Total: 197 (69.6%) | Total: 25.3 ± 3.6 | 16 ± 9 months | |||
| Kawakami [19] | Japan | RFCA | Total: 60.5 ± 11.8 | Total: 73 (76.8) | N/A | One year | |||
| Soucek [20] | USA | RFCA | N/A | Total: 85 (83.3) | N/A | 3 months | |||
| Nakahara [21] | Japan | RFCA | Total: 63.1 ± 10.4 | Total: 50 (83%) | NA | 16.0 (12–16) months | |||
| Masuda [22] | Japan | RFCA | 61 ± 13 | 62 ± 9 | 22 (76) | 14 (58) | 24.3 ± 3.2 | 24.0 ± 3.2 | 16 ± 4 months |
| Kocyigit [23] | Turkey | Cryo | 55.1 ± 10.7 | 56.9 ± 10.4 | 86 (45.5) | 34 (56.7) | 24.2 ± 1.6 | 24.4 ± 1.6 | 29 (8–48) months |
| Canpolat [24] | Turkey | Cryo | 53.1 ± 10.6 | 57.8 ± 10.8 | 94 (49.7%) | 26 (57.8%) | 25.3 ± 5.2 | 26.0 ± 3.3 | 20 (13–24) months |
Rec: recurrence; BMI: body mass index; N/A: not available; RFCA: radio frequency catheter ablation; Cryo: cryoballon ablation.