Table 3.
Multivariable Analysis of the Clinical Recurrence of AF
| Univariable | Multivariable | |||||
|---|---|---|---|---|---|---|
| HR | 95% CI | P Value | HR | 95% CI | P Value | |
| Male | 1.011 | 0.574 to 1.780 | 0.970 | 1.033 | 0.458 to 2.327 | 0.938 |
| Age | 1.014 | 0.992 to 1.036 | 0.209 | 0.970 | 0.942 to 0.999 | 0.046* |
| Persistent AF | 2.042 | 1.248 to 3.344 | 0.005 | 2.251 | 0.914 to 5.546 | 0.078 |
| BMI | 0.959 | 0.877 to 1.048 | 0.353 | |||
| Congestive heart failure | 0.241 | 0.033 to 1.740 | 0.158 | |||
| Hypertension | 0.880 | 0.538 to 1.441 | 0.612 | |||
| Age >75 years | 1.624 | 0.651 to 4.049 | 0.299 | |||
| DM | 1.371 | 0.745 to 2.522 | 0.310 | |||
| Stroke/TIA | 1.207 | 0.615 to 2.372 | 0.584 | |||
| LA dimension | 1.027 | 0.987 to 1.069 | 0.186 | 1.001 | 0.939 to 1.066 | 0.981 |
| LA volume index (echo) | 1.014 | 0.995 to 1.033 | 0.145 | |||
| LV ejection fraction | 1.011 | 0.980 to 1.043 | 0.489 | |||
| E/Em | 1.009 | 0.964 to 1.057 | 0.701 | |||
| LAA emptying velocity | 0.989 | 0.973 to 1.005 | 0.173 | |||
| LA volume index (3D‐CT) | 1.010 | 1.000 to 1.021 | 0.059 | 0.996 | 0.979 to 1.013 | 0.613 |
| Mean LA voltage | 0.464 | 0.269 to 0.802 | 0.006 | 0.326 | 0.149 to 0.714 | 0.005* |
| Ablation time | 1.000 | 1.000 to 1.000 | 0.148 | |||
| Sinus node dysfunction or 1 AVB | 0.735 | 0.495 to 1.092 | 0.127 | 0.843 | 0.510 to 1.396 | 0.507 |
| Early recurrence | 3.698 | 2.254 to 6.068 | <0.001 | 5.725 | 2.784 to 11.771 | <0.001* |
| PR interval (quartile) | 1.429 | 1.129 to 1.809 | 0.003 | 1.969 | 1.343 to 2.886 | 0.001* |
Sample size was 265 (all parameters of which were measured), recurrence events was 36. Reference of PR interval (quartile) is Q1. AVB, atrioventricular block; 3D‐CT indicates 3‐dimensional‐computed tomography; AF, atrial fibrillation; BMI, body mass index; DM, diabetes mellitus; E/Em, the ratio of the transmitral and myocardial early diastolic velocity; LAA, left atrial appendage; LV, left ventricle; TIA, transient ischemic attack.
*
P < 0.05.