Table 2.
Preoperative risk factors for de novo AI
| Variable | Univariable | p value | Multivariable | p value |
|---|---|---|---|---|
| HR (95% CI) | HR (95% CI) | |||
| Age, per year | 1.00 (0.97–1.02) | 0.87 | ||
| Male | 0.57 (0.28–1.16) | 0.13 | 0.5 (0.2–1.3) | 0.33 |
| BSA, per m2 | 0.095 (0.021–0.49) | < 0.01 | 0.3 (0.1–2.0) | 0.076 |
| AI grade > none | 1.7 (0.8–3.7) | 0.16 | 2.5 (1.1–5.6) | 0.020 |
| RVSWI, per g/m2/beat | 1.13 (1.03–1.21) | < 0.01 | 1.12 (1.02–1.22) | 0.047 |
| CVP/PCWP | 0.39 (0.043–2.7) | 0.36 | ||
| PAPi | 1.1 (0.96–1.2) | 0.20 | ||
| mPAP, per mmHg | 0.98 (0.95–1.02) | 0.39 | ||
| CVP, per mmHg | 0.98 (0.90–1.05) | 0.54 | ||
| Cardiac index, per L/min | 1.70 (0.93–3.00) | 0.09 | ||
| LVEF, per % | 1.03 (0.99–1.07) | 0.18 | ||
| Etiology | 0.93 | |||
| Inotropic support | 0.56 (0.17–1.83) | 0.37 |
AI aortic insufficiency, BSA body surface area, CI confidence interval, HR hazard ratio, LVEF left ventricular ejection fraction, mPAP mean pulmonary artery pressure, PAPi pulmonary artery pulsatility index, PCWP pulmonary capillary wedge pressure, RAP right atrial pressure, RVSWI right ventricular stroke work index