Thoracoscopic Surgical Biatrial Ablation vs. Catheter Ablation in Patients with Persistent Atrial Fibrillation
Table 1
Baseline characteristics after propensity score matching.
Overall (N = 153)
SA group (n = 51)
CA group (n = 102)
P value
SMD
Age, mean (SD) (y)
55.3 (10.2)
55.8 (9.9)
55.1 (10.4)
0.660
0.076
Sex, male, n (%)
134 (87.6)
43 (84.3)
91 (89.2)
0.544
0.145
Diabetes mellitus, n (%)
24 (15.7)
9 (17.6)
15 (14.7)
0.814
0.080
Coronary artery disease, n (%)
23 (15.0)
6 (11.8)
17 (16.7)
0.576
0.141
Previous stroke, n (%)
18 (11.8)
5 (9.8)
13 (12.7)
0.790
0.093
Hyperlipidemia, n (%)
42 (27.5)
12 (23.5)
30 (29.4)
0.564
0.134
Hypertension, n (%)
67 (43.8)
23 (45.1)
44 (43.1)
0.954
0.039
Previous CA, n (%)
26 (17.0)
7 (13.7)
19 (18.6)
0.594
0.133
AF duration, mean (SD) (y)
4.9 (4.6)
5.5 (3.9)
4.7 (4.9)
0.310
0.181
CHA2DS2-VASc score, mean (SD)
1.3 (1.3)
1.2 (1.2)
1.3 (1.4)
0.697
0.069
LAD, mean (SD) (mm)
45.8 (4.5)
45.7 (4.6)
45.8 (4.4)
0.828
0.037
LVEF, mean (SD) (%)
60.9 (6.6)
61.7 (4.7)
60.5 (7.4)
0.288
0.195
AF, atrial fibrillation; CA, catheter ablation; SA, surgical ablation; LAD, left atrial diameter; LVEF, left ventricular ejection fraction; SD, standard deviation; SMD, standard mean difference.