Table 4.
Association of the variables with groups that have and have not developed postoperative atrial fibrillation in patients undergoing off-pump CABG.
| Variables | Developed atrial fibrillation (n=18) | Not developed atrial fibrillation (n=116) | P Value |
|---|---|---|---|
| Preoperative | |||
| Female | 6 (33.3%) | 27 (23.3%) | 0.3568 |
| Age (> 70 years) | 4 (22.2%) | 5 (4.3%) | 0.0047 |
| Hypertension | 5 (27.8%) | 22 (19%) | 0.3858 |
| Diabetes Mellitus | 9 (50%) | 38 (32.8%) | 0.1538 |
| Chronic obstructive pulmonary disease | 1 (5.6%) | 12 (10.3%) | 0.5230 |
| Non-use of beta-blocker | 6 (33.3%) | 17 (14.7%) | 0.0505 |
| Non-use of statins | 2 (11.1%) | 12 (10.3%) | 0.9212 |
| Intraoperative | |||
| Blood products | 5 (27.8%) | 23 (19.8%) | 0.4402 |
| Arrhythmias | 4 (22.2%) | 19 (16.4%) | 0.5408 |
| Atrial fibrillation | 3 (16.7%) | 5 (4.3%) | 0.0410 |
| Ventricular fibrillation | 3 (16.7%) | 7 (6.1%) | 0.1135 |
| Ventricular extrasystole | 0 (0%) | 2 (1.7%) | 0.5729 |
| Sinus tachycardia | 0 (0%) | 2 (1.7%) | 0.5729 |
| Postoperative | |||
| Time of Coronary Care Unit (days) | (4.72±3.32) | (2.91±2.25) | 0.0374 |
| Length of hospital stay (days) | (9.89±4.09) | (7.62±3.91) | 0.0244 |
| Non-use of beta-blocker | 2 (11.1%) | 14 (12.1%) | 0.9072 |
| Non-use of statins | 2 (11.1%) | 5 (4.3%) | 0.2276 |
| Vasoactive drugs | 13 (72.2%) | 63 (54.3%) | 0.1536 |
| Infectious complications | 2 (11.1%) | 6 (5.2%) | 0.3225 |
| Mortality | 0 (0%) | 3 (2.6%) | 0.4902 |