Table 1.
.Biometric data of the study population. BSA: body surface area; CAD: coronary artery disease, LAV: left atrial volume; LAVi: left atrial volume indexed by BSA; LVEF: Left ventricle ejection fraction.
| Biometric data of Study Population | Total (n. 180) | Group a (n. 109) | Group b (n.71) | p value |
|---|---|---|---|---|
| Age years (mean/st. dev.) | 62.2 ± 5.9 | 63.2 ± 9.4 | 61.1 ± 2.6 | NS |
| BSA (mean/st. dev.) | 2.2 ± 0.5 | 2.2 ± 0.4 | 2.19 ± 0.6 | NS |
| Male (n/%) | 144/80 | 87/80 | 57/80.2 | NS |
| Hypertension (n/%) | 97/53.9 | 62/57 | 35/49.3 | NS |
| Diabetes (n/%) | 52/28.9 | 30/28 | 22/31.1 | NS |
| Smokers (n/%) | 57/31.7 | 35/32 | 22/31.1 | NS |
| CAD (n/%) | 64/35.6 | 39/36 | 25/35.2 | NS |
| Dyslipidemia (n/%) | 80/44.5 | 48/44 | 32/45.1 | NS |
| LVEF %(mean/st. dev.) | 64.8 ± 12.6 | 65.1 ± 13 | 64.5 ± 12.2 | NS |
| LAV ml (mean/st. dev.) | 54.9 ± 6.9 | 55.3 ± 7.6 | 54.4 ± 6.2 | NS |
| LAVi ml/m2 (mean/st. dev.) | 29.3 ± 4.9 | 29.7 ± 5.4 | 28.9 ± 4.3 | NS |
| Antiarrhytmics drugs (n/%) | 147/81.7 | 89/82 | 58/81.7 | NS |
| Atrial fibrillation (n/%) | 125/69.5 | 76/70 | 49/60 | NS |
| Incisional atrial tachycardia (n/%) | 37/20.6 | 22/20 | 15/21.1 | NS |
| Left atrial tachycardia (n/%) | 19/10.6 | 11/10 | 8/11.2 | NS |