Table 1 Baseline characteristics
Variables | Total (n = 191) | No-SVC ablation (n = 93, 49%) | SVC ablation (n = 98, 51%) | p value |
|---|---|---|---|---|
Gender (female) | 21 (11%) | 15 (16%) | 6 (6%) | 0.025 |
Age (year) | 57.1 ± 8.2 | 56.7 ± 9.3 | 57.4 ± 7.0 | 0.542 |
Body mass index (kg/m2) | 26.0 ± 3.4 | 25.9 ± 3.8 | 26.1 ± 3.0 | 0.561 |
Comorbidities | ||||
Hypertension | 81 (42%) | 36 (39%) | 45 (46%) | 0.314 |
Diabetes mellitus | 22 (12%) | 11 (12%) | 11 (11%) | 0.896 |
Prior stroke/TIA | 24 (13%) | 16 (17%) | 8 (8%) | 0.060 |
Heart failure | 26 (14%) | 11 (12%) | 15 (16%) | 0.485 |
Coronary artery disease | 6 (3%) | 1 (1%) | 5 (5%) | 0.118 |
CHA2DS2VASc score | 1.3 ± 1.3 | 1.5 ± 1.5 | 1.1 ± 1.1 | 0.033 |
AF duration (month) | 44.4 ± 44.2 | 40.1 ± 43.6 | 48.4 ± 44.6 | 0.193 |
Type of AF | 0.015 | |||
Persistent | 106 (56%) | 60 (64%) | 46 (47%) | |
Long-standing persistent | 85 (45%) | 33 (36%) | 52 (53%) | |
Echocardiographic data | ||||
LV EF (%) | 58.9 ± 7.7 | 58.2 ± 8.4 | 59.6 ± 6.9 | 0.210 |
LA diameter (mm) | 47.3 ± 6.5 | 45.8 ± 6.7 | 48.7 ± 6.0 | 0.002 |
LA volume index (ml/m2) | 52.2 ± 16.9 | 48.6 ± 6.0 | 55.5 ± 18.0 | 0.005 |