Clinical Study
The Impact of Left Atrial Size in Catheter Ablation of Atrial Fibrillation Using Remote Magnetic Navigation
Table 1
Baseline characteristics of patients.
| | Group A () | Group B () | Total () | value |
| Gender (male/female) | 51/32 | 50/32 | 101/64 | 0.951 | Age (years) | 58.0 ± 11.5 | 61.1 ± 9.3 | 60.7 ± 10.9 | 0.054 | Height (cm) | 167.5 ± 6.8 | 167.1 ± 7.9 | 167.3 ± 7.5 | 0.652 | Weight (kg) | 66.5 ± 8.6 | 72.8 ±18.4 | 69.6 ± 14.7 | 0.006 | BMI (kg/m2) | 23.6 ± 2.1 | 25.6 ± 3.0 | 24.6 ± 2.8 | <0.001 | Paroxysmal/nonparoxysmal AF | 71/12 | 42/40 | 113/52 | <0.001 | Course of AF (month) | 36.0 (48.0) | 24.0 (60.0) | 36.0 (48.0) | 0.651 | Basic diseases | Hypertension | 43 | 65 | 108 | <0.001 | Diabetes | 4 | 6 | 10 | 0.729 | Coronary heart disease | 10 | 15 | 25 | 0.263 | Stroke | 13 | 14 | 27 | 0.807 | LVEF (%) | 63.9 ± 4.2 | 62.3 ± 4.6 | 62.8 ± 4.5 | 0.113 | LA diameter (mm) | 35.0 ± 3.1 | 44.2 ± 3.2 | 39.6 ± 5.6 | <0.001 | Four classical pulmonary vein ostia patterns/not | 60/23 | 60/22 | 120/45 | 0.899 |
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BMI: body mass index; AF: atrial fibrillation; LVEF: left ventricular ejection fraction. values listed were calculated between Groups A and B. |