| Univariate analysis** | Multivariate analysis** | ||||
---|---|---|---|---|---|---|
Variables* | β-coefficient | OR (95% CI) | p value | β-coefficient | OR (95% CI) | p value |
Left Atrium Anterior–Posterior diameter | 1.20 | 3.31 (2.45–4.49) |  < .001 | 0.74 | 2.11 (1.46–3.05) |  < .001 |
Left Atrium volume | 1.29 | 3.63 (2.68–4.90) |  < .001 | 0.83 | 2.28 (1.59–3.29) |  < .001 |
Fibrillatory wave amplitude (Lead II) | − 1.11 | 0.33 (0.24–0.44) |  < .001 | − 0.33 | 0.72 (0.48–1.08) | .110 |
Fibrillatory wave amplitude (Lead III) | − 1.42 | 0.24 (0.18–0.33) |  < .001 | − 0.94 | 0.39 (0.27–0.58) |  < .001 |
Fibrillatory wave amplitude (aVR) | − 0.95 | 0.39 (0.29–0.52) |  < .001 | − 0.37 | 0.69 (0.48–0.98) | .040 |
RR interval (V4) | 0.79 | 2.20 (1.64–2.94) |  < .001 | 0.27 | 1.31 (0.92–1.86) | .131 |
Spectral Power Ratio (Lead 1) | 0.55 | 1.73 (1.30–2.31) |  < .001 | 0.33 | 1.39 (1.00–1.93) | .054 |
Spectral Power Ratio (V2) | 0.51 | 1.66 (1.24–2.21) |  < .001 | 0.40 | 1.50 (1.08–2.08) | .016 |