Table 4. Logistic regression analyses for a pacemaker implantation after the AFCA in patients with underlying SND.
| Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| OR (95% CI) | p value | OR (95% CI) | p value | |
| Age* | 1.009 (0.964–1.056) | 0.705 | ||
| Male sex* | 0.792 (0.344–1.823) | 0.584 | ||
| Paroxysmal AF* | 0.894 (0.315–2.542) | 0.834 | ||
| BMI | 0.961 (0.834–1.108) | 0.586 | ||
| Heart failure | 0.414 (0.053–3.245) | 0.401 | ||
| Hypertension | 1.435 (0.605–3.404) | 0.412 | ||
| Diabetes mellitus | 1.103 (0.353–3.449) | 0.866 | ||
| Stroke or TIA | 1.046 (0.369–2.965) | 0.933 | ||
| Vascular disease | 2.389 (0.865–6.596) | 0.093 | ||
| CHA2DS2-VASc* | 1.116 (0.875–1.422) | 0.378 | ||
| LA size | 0.999 (0.934–1.068) | 0.969 | ||
| LV ejection fraction* | 1.049 (0.988–1.113) | 0.116 | ||
| E/Em* | 1.103 (1.014–1.199) | 0.022 | 1.146 (1.023–1.284) | 0.018 |
| Mean LA voltage (mV)* | 0.415 (0.152–1.134) | 0.086 | ||
| PreAFCA mean heart rate | 1.001 (0.963–1.041) | 0.962 | ||
| Roof line* | 3.016 (1.293–7.038) | 0.011 | ||
| Posterior inferior line* | 3.084 (1.302–7.307) | 0.011 | ||
| Anterior line* | 6.325 (2.640–15.154) | <0.001 | 9.371 (3.034–28.948) | <0.001 |
| SVC-septal line | 0.827 (0.353–1.938) | 0.662 | ||
AFCA = atrial fibrillation catheter ablation; AF = atrial fibrillation; BMI = body mass index; CI = confidence interval; E/Em = mitral inflow velocity/mitral annulus tissue velocity; LA = left atrium; LV = left ventricle; LVEF = left ventricular ejection fraction; OR = odds ratio; SND = sinus node dysfunction; SVC = superior vena cava; TIA = transient ischemia attack.
*The variables used in the multivariate analysis are as follows: age, sex, paroxysmal AF, CHA2DS2-VASc score, LVEF, E/Em, mean LA voltage (mV), PreAFCA mean heart rate (ms), roof line, posterior inferior line, and anterior line.