Table 4.
Univariate and multivariate Cox regression analysis to recognize predictors of AF recurrence after a single procedure.
| Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
| Variables | HR | CI | p | OR | CI | p |
| Age, years | 0.984 | 0.962–1.006 | 0.144 | |||
| Male, n (%) | 0.619 | 0.363–1.056 | 0.079 | |||
| SBP (mm Hg) | 0.994 | 0.979–1.009 | 0.420 | |||
| DBP (mm Hg) | 1.000 | 0.979–1.021 | 0.988 | |||
| Heart rate, beats per minute | 1.000 | 0.983–1.017 | 0.998 | |||
| Smoking, n (%) | 0.881 | 0.431–1.802 | 0.728 | |||
| Alcohol, n (%) | 0.846 | 0.362–1.978 | 0.700 | |||
| Hypertension, n (%) | 1.056 | 0.618–1.804 | 0.841 | |||
| Diabetes, n (%) | 1.510 | 0.779–2.930 | 0.222 | |||
| History of CAD, n (%) | 1.153 | 0.159–8.350 | 0.888 | |||
| Heart failure, n (%) | 2.148 | 0.919–5.020 | 0.078 | |||
| LVEF (%) | 1.008 | 0.990–1.026 | 0.378 | |||
| LAAEV (cm/s) | 0.976 | 0.961–0.992 | 0.003 | 0.979 | 0.961–0.997 | 0.023 |
| LA anteroposterior dimension (mm) | 1.066 | 1.004–1.132 | 0.037 | 1.049 | 0.963–1.143 | 0.276 |
| LA vertical dimension (mm) | 1.053 | 1.003–1.105 | 0.038 | 1.029 | 0.971–1.090 | 0.335 |
| LA transverse dimension (mm) | 1.008 | 0.964–1.054 | 0.740 | |||
| LAVmax (ml/m2) | 1.014 | 0.995–1.034 | 0.154 | |||
| LAVmin (ml/m2) | 1.023 | 0.996–1.050 | 0.094 | |||
SBP, systolic blood pressure; DBP, diastolic blood pressure; LVEF, left ventricular ejection fraction; LAAEV, left atrial appendage emptying velocity; LAVmax, left atrial maximum volume index; LAVmin, left atrial minimum volume index.