Table 5. Independent predictive factors of length of in-hospital stay by multivariete regression analysis in female patients .
| Variable | Beta | Std. Error | P value |
| Diabetes | 0.027 | 0.10 | 0.009 |
| Previous stroke | 2.25 | 0.55 | <0.0001 |
| Cardiopulmonary bypass time | 1.22 | 0.47 | 0.010 |
| Cross-clamping time | 0.70 | 0.27 | 0.010 |
| Prolonged inotropic support | 1.41 | 0.27 | <0.0001 |
| Prolonged ventilatory support | 2.26 | 0.58 | < 0.0001 |
| Postoperative AF | 0.66 | 0.16 | <0.0001 |
| Postoperative renal insufficiency | 1.28 | 0.38 | <0.001 |
| Hemodialysis | 2.31 | 0.60 | <0.0001 |
| Postoperative blood transfusion (≥3 unite) | 1.38 | 0.33 | <0.0001 |
| Postoperative stroke | 2.52 | 0.78 | <0.001 |
AF: Atrial fibrillation