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Relationship between number of grafts and postoperative atrial fibrillation.
| Grafts (n) | AF | No AF | P value |
|---|---|---|---|
| One | 6.8% (4/58) | 93.1% (54/58) | >0.05 |
| Two | 2.5% (4/160) | 99.5% (156/160) | >0.05 |
| Three | 0.5% (16/320) | 95% (3.4/32) | >0.05 |
| Four | 7.9% (17/151) | 92.1% (139/151) | >0.05 |
Note: Differences were considered significant at P < 0.05.
Abbreviation: AF, atrial fibrillation.
