Table 1.
Preoperative Demographics
| Demographic | Stand-alone CMPIV (N=113) | Concomitant AVR (N=75) | p value |
|---|---|---|---|
| Age (years) | 56.6 ± 10.6 | 70.5 ± 8.2 | p<0.001 |
| Male | 86/113 (76%) | 50/75 (67%) | p=0.157 |
| Paroxysmal | 28/113 (25%) | 45/75 (60%) | p<0.001 |
| Persistent | 7/113 (6%) | 10/75 (13%) | p<0.001 |
| Long-Standing Persistent | 78/113 (69%) | 20/75 (27%) | p<0.001 |
| Length of Time in AF (months) | 89 ± 77 | 84 ± 113 | p=0.746 |
| LA Size (cm) | 4.9 ± 1.1 | 4.9 ± 0.8 | p=0.984 |
| Failed Catheter Ablation | 53/113 (47%) | 4/75 (5%) | p<0.001 |
| Preoperative Pacemaker | 13/113 (12%) | 12/75 (16%) | p=0.374 |
| NYHA 3/4 | 32/113 (28%) | 55/75 (73%) | p<0.001 |
| LVEF | 51 ± 13 | 55 ± 13 | p=0.035 |
| PVD | 6/113 (5%) | 12/75 (16%) | p=0.015 |
| Hypertension | 68/113 (60%) | 56/75 (75%) | p=0.040 |
| Dyslipidemia | 58/113 (51%) | 55/75 (73%) | p=0.003 |
| Chronic Lung Disease (Moderate-Severe) | 3/113 (3%) | 6/75 (8%) | p=0.093 |
| Diabetes | 12/113 (11%) | 30/75 (40%) | p<0.001 |
| Renal Failure | 0/113 (0%) | 3/75 (4%) | p=0.032 |
*
Mean ± standard deviation for continuous variables