Table 2.
LA Voltage, Conduction Analysis and Non‐PV AF Trigger
| Parameters | All | Abstainers | Mild drinkers | Moderate‐heavy drinkers | P value |
|---|---|---|---|---|---|
| n=110 | n=49 | n=27 | n=34 | ||
| LA surface area, cm2 | 64.9±15.3 | 63.0±14.3 | 66.2±16.6 | 66.6±15.8 | 0.512 |
| Mean LA voltage, mV | 5.75±1.69 | 5.54±1.58 | 5.98±2.11 | 5.86±1.47 | 0.502 |
| Low‐voltage area, cm2 | 1.25 (0–4.1) | 1.3 (0–3.8) | 1.1 (0–4.2) | 3.05 (0–4.675) | 0.948 |
| %LVZ, % | 1.87 (0–6.27) | 2.32 (0–6.13) | 1.5 (0–5.9) | 3.91 (0–6.8) | 0.956 |
| LVZ, n (%) | 39 (35) | 16 (33) | 8 (30) | 15 (44) | 0.435 |
| SC length, mm | 16 (0–36.25) | 12 (0–31.5) | 0 (0–35) | 19.5 (0–43.25) | 0.235 |
| SCZ, n (%) | 54 (49) | 22 (45) | 11 (41) | 21 (62) | 0.192 |
| Non‐PV AF trigger, n (%) | 22 (20) | 12 (24) | 5 (19) | 5 (15) | 0.531 |
P values were determined by 1‐way ANOVA, Kruskal‐Wallis test, or χ2 test, as appropriate. AF indicates atrial fibrillation; LA, left atrial; LVZ, low voltage zone; PV, pulmonary vein; SC, slow conduction; and SCZ, slow‐conduction zone ablation.