Table 4:
Best Multivariable Cox Regression Model for Survival
| HR (95% CI) | Chi Square χ² | P value | |
|---|---|---|---|
| PAPi (per 1 unit) | 0.946 (0.905–0.989) | 6.0 | 0.01 |
| PHC-RISK (per 0.01) | 0.969 (0.944–0.996) | 5.2 | 0.02 |
| BMI (per kg/m2) | 0.943 (0.912–0.974) | 12.2 | 0.0005 |
| PAC (per ml/mm Hg) | 0.613 (0.434–0.864) | 7.8 | 0.005 |
BMI, body mass index; PAC, pulmonary artery capacitance; PAPi, pulmonary artery pulsatility index; PHC, Pulmonary hypertension connection risk equation