Table 5. Logistic regression, univariable and multivariable analyses of postoperative high LV filling pressure.
| Variable | Parameter estimate (β) | SE | Wald Χ2 | P value | OR (95% CI) |
|---|---|---|---|---|---|
| Preoperative high LV filling pressure | 1.5 | 0.37 | 4.02 | <0.001 | 4.49 (2.17–9.29) |
| LVMI regression | −0.007 | 0.006 | −1.03 | 0.3 | 1.00 (0.98–1.01) |
| Preoperative P-Creatinine clearance, mL/min/m2 | −0.0028 | 0.006 | −0.49 | 0.61 | 1.00 (0.99–1.01) |
| CCT, min | 0.02 | 0.01 | 2.83 | 0.00468 | 1.02 (1.01–1.04) |
| NT-proBNP>960 ng/L | 0.31 | 0.39 | 0.797 | 0.43 | 1.36 (0.64–2.898) |
| PHF | −0.26 | 0.65 | −0.402 | 0.69 | 0.78 (0.21–2.77) |
| PMI | 0.53 | 0.85 | 0.62 | 0.54 | 1.70 (0.32–9.1) |
| Severe PPM | -0.05 | 0.36 | −0.15 | 0.88 | 0.95 (0.47–1.90) |
| Final model | |||||
| intercept | −2.17 | 1.68 | −3.2 | ||
| CCT, min | 0.02 | 0.08 | 2.7 | 0.006 | 1.03 (1.01–1.04) |
| Preoperative high LV filling pressure | 1.52 | 0.38 | 4.0 | <0.001 | 4.57 (2.16–9.65) |
LV, left ventricular; LVMI, left ventricular mass index; CCT, cross-clamp time; ECC, extra corporeal circulation; PHF, postoperative heart failure; PMI, perioperative myocardial infarction (defined as Troponin T≥2000 ng/L on or after the third postoperative day); severe PPM, prosthesis-patient mismatch<0.65 cm2/m2.