Table 1 Clinical data of patients underwent unplanned re-exploration after cardiovascular surgery
Group | Total case | Age (\({\overline{\text{x}}}\) ± s, year) | Male | BMI (\({\overline{\text{x}}}\) ± s, kg/m2) | Hypertesion | Diabetes | Emergency operation | Unplanned re-exploration | CPB | CABG | Valve surgery | Aortic surgery | Other operations | Operation time [M(QR),h] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Survival | 74 | 55.8 ± 15.4 | 57 | 22.1 ± 2.9 | 40 | 12 | 16 | 6 | 52 | 25 | 37 | 10 | 2 | 5.0 (2.5) |
Non-survival | 26 | 54.6 ± 15.1 | 20 | 22.6 ± 3.3 | 15 | 5 | 10 | 2 | 21 | 9 | 11 | 5 | 1 | 6.0 (4.0) |
Statistics | – | t = 0.571 | χ2 = 0.000 | t = − 1.247 | χ2 = 0.030 | χ2 = 0.087 | χ2 = 1.570 | χ2 = 0.004 | χ2 = 0.163 | χ2 = 0.003 | χ2 = 0.164 | χ2 = 0.356 | χ2 = 0.081 | Z = − 4.406 |
P value | – | 0.566 | 0.997 | 0.211 | 0.864 | 0.768 | 0.210 | 0.950 | 0.686 | 0.957 | 0.685 | 0.551 | 0.776 | 0.000 |