Table 2 Comparison of other preoperative complications that might induce preoperative atrial fibrillation and surgery delay time
Variables | Preoperative atrial fibrillation(n = 101) | No-preoperative atrial fibrillation(n = 1314) | p value |
|---|---|---|---|
Heart failure | |||
 Yes | 28 (27.7%) | 323 (24.6%) | 0.481 |
 No | 73 (72.3%) | 991 (75.4%) | |
Low potassium | |||
 Yes | 43 (42.6%) | 276 (21.0%) |  < 0.001 |
 No | 58 (57.4%) | 1038 (79.0%) | |
Anemia | |||
 Yes | 54 (53.5%) | 436 (33.2%) |  < 0.001 |
 No | 47 (46.5%) | 878(66.8%) | |
Surgery delay time (days) | 5.0(4.0) | 4.0(3.0) |  < 0.001 |