Table 1.
Baseline characteristics of the patient cohort
| Characteristic | Study Cohort (n=47) | Patients with POAF (n=13) | Patients without POAF (n=34) | p-value for POAF vs. no POAF |
|---|---|---|---|---|
| Male, n (%) | 33 (70%) | 9 (69%) | 25 (74%) | 0.65 |
| Age, mean years | 56.4 ± 12.4 | 62.7 ± 8.3 | 54.8 ± 13.1 | 0.11 |
| Left ventricular ejection fraction, % | 20.1 ± 5.8 | 19.6 ± 4.5 | 20.6 ± 6.0 | 0.26 |
| LA volume index >40 mL/m2, % (n) | 70% (18 of 26) | 71% (5 of 7) | 68% (13 of 19) | 1.0 |
| PR interval >200 msec, % | 13% (6 of 46) | 17% (2 of 12) | 12% (4 of 34) | 1.0 |
| Ischemic cardiomyopathy, n (%) | 18 (38%) | 5 (38%) | 13 (38%) | 1.0 |
| Valvular heart disease, n (%) | 31 (66%) | 8 (62%) | 23 (68%) | 0.96 |
| Hypertension, n (%) | 38 (81%) | 11 (92%) | 27 (79%) | 1.0 |
| Diabetes, n (%) | 24 (41%) | 6 (46%) | 18 (53%) | 0.93 |
| Thyroid disease, n (%) | 9 (19%) | 4 (31%) | 5 (15%) | 0.40 |
| Obstructive sleep apnea, n (%) | 15 (32%) | 4 (31%) | 11 (32%) | 1.0 |
| COPD, n (%) | 11 (23%) | 6 (46 %) | 5 (15%) | 0.01 |
| CABG, n (%) | 9 (19%) | 3 (23%) | 6 (18%) | 0.99 |
| Baseline creatinine, (mg/dL) | 1.5 ± 0.8 | 1.7 ± 1.0 | 1.4 ± 0.6 | 0.31 |
| Baseline albumin, (g/dL) | 3.4 ± 0.4 | 3.4 ± 0.5 | 3.5 ± 0.4 | 0.50 |
Abbreviations: CABG, coronary artery bypass graft; COPD, chronic obstructive pulmonary disease; LA, left atria; POAF, postoperative atrial fibrillation;