Table 6.
Univariate and multivariate Cox regression analyses for each risk factor of recurrent atrial tachyarrhythmia.
|
Study population
(n = 72) |
Recurrence group (23/72, 32.4%) | Non-recurrence group (49/72, 67.6%) |
Univariate
P-value |
Multivariate
P-value |
|
|---|---|---|---|---|---|
| Age (years) | 59.9 ± 12.14 | 58.8 ± 12.1 | 60.4 ± 12.3 | 0.509 | NA |
| Male sex | 38/72 (52.78%) | 14/23 (60.87%) | 24/49 (48.98%) | 0.408 | NA |
| Hypertension | 38/72 (52.78%) | 13/23 (56.52%) | 25/49 (51.02%) | 0.428 | NA |
| Diabetes mellitus | 13/72 (18.06%) | 6/23 (26.09%) | 7/49 (14.29%) | 0.200 | NA |
| Chronic kidney disease | 20/72 (27.78%) | 10/23 (43.48%) | 10/49 (20.41%) | 0.017 | 0.026 |
| Hyperlipidemia | 19/72 (26.39%) | 7/23 (30.43%) | 12/49 (24.49%) | 0.305 | NA |
| Congestive heart failure | 21/72 (29.17%) | 7/23 (30.43%) | 14/49 (28.57%) | 0.940 | NA |
| Coronary artery disease | 17/72 (23.61%) | 6/23 (26.09%) | 11/49 (22.45%) | 0.857 | NA |
| Atrial fibrillation | 23/72 (31.94%) | 10/23 (43.48%) | 13/49 (26.53%) | 0.420 | NA |
| Antiarrhythmic drug | 39/72 (54.2%) | 14/23 (60.9%) | 25/49 (51.0%) | 0.712 | NA |
| Atypical AFL | 26/72 (36.11%) | 9/23 (39.13%) | 14/49 (28.57%) | 0.450 | NA |
| Left ventricular ejection fraction (%) | 52.5 ± 12.40 | 54.3 ± 10.5 | 51.6 ± 13.2 | 0.538 | NA |
| Left ventricular dysfunction | 16/72 (22.22%) | 4/23 (17.39%) | 12/49 (24.49%) | 0.703 | NA |
| Left atrial enlargement | 65/72 (90.28%) | 22/23 (95.65%) | 43/49 (87.76%) | 0.497 | NA |
| Left atrial diameter (mm) | 45.5 ± 7.8 | 48.2 ± 8.1 | 44.2 ± 7.4 | 0.029 | 0.044 |
| Right atrial enlargement | 14/72 (19.44%) | 7/23 (30.43%) | 7/49 (14.29%) | 0.203 | NA |
| Multiple valve surgery | 32/72 (44.44%) | 11/23 (47.83%) | 21/49 (42.86%) | 0.464 | NA |
| Coronary bypass surgery | 10/72 (13.89%) | 2/23 (8.70%) | 8/49 (16.33%) | 0.801 | NA |
| Surgical AF ablation | 9/72 (12.5%) | 2/23 (8.7%) | 7/49 (14.3%) | 0.836 | NA |