Postoperative BNP versus complications
| Complications encountered | Frequency | Mean of postoperative BNP (pg/mL) | SD |
| Yes | 17 | 313.99∗ | 121.29 |
| No | 243 | 83.95 | 70.19 |
| Total | 260 | 98.99 | 93.58 |
*Postoperative BNP level (baseline BNP) was found to be markedly high
BNP, B-type natriuretic peptides.