Variable | Univariate | Multivariate model 1 | Multivariate model 2 | |||
---|---|---|---|---|---|---|
HR (95% CIv) | P | HR (95% CIv) | P | HR (95% CIv) | P | |
Age (years) | 1.05 (1.029–1.084) |  < 0.001 | 1.06 (1.029–1.090) |  < 0.001 | 1.05 (1.021–1.078) |  < 0.001 |
RAP (mmHg) | 1.00 (0.918–1.082) | 0.990 | 0.94 (0.856–1.017) | 0.120 |  |  |
mPAP (mmHg) | 1.02 (0.987–1.048) | 0.270 |  |  |  |  |
CI (L/min/m2) | 0.23 (0.110–0.440) |  < 0.001 | 0.42 (0.170–0.949) | 0.037 |  |  |
PVR (W.U) | 1.15 (1.078–1.220) |  < 0.001 |  |  |  |  |
PaO2 (mmHg) | 0.96 (0.930–0.985) | 0.002 |  |  |  |  |
PvO2 (mmHg) | 0.84 (0.776–0.914) |  < 0.001 | 0.84 (0.740–0.937) | 0.002 |  |  |
PvO2 < 35 mmHg | 2.89 (1.466–5.684) | 0.002 |  |  | 2.36 (1.173–4.736) | 0.015 |
RAP ≥ 8 mmHg | 0.59 (0.257–1.349) | 0.188 |  |  | 0.55 (0.225–1.371) | 0.185 |
CI < 2.5 L/min/m2 | 3.25 (1.633–6.453) |  < 0.001 |  |  | 2.60 (1.278–5.276) | 0.007 |
SvO2 (mmHg) | 0.93 (0.908–0.966) |  < 0.001 |  |  |  |  |
A-aDO2 (mmHg) | 1.04 (1.016–1.068) | 0.001 |  |  |  |  |
BNP (pg/mL) | 1.00 (1.001–1.002) |  < 0.001 |  |  |  |  |
6MWD (m) | 0.99 (0.990–0.998) | 0.002 |  |  |  |  |
FVC, %pred. (%) | 0.98 (0.965–1.003) | 0.105 |  |  |  |  |
DLCO, %pred. (%) | 0.99 (0.969–1.007) | 0.211 |  |  |  |  |
WHO functional class I + II (vs. III + IV) | 0.39 (0.195–0.772) | 0.006 |  |  |  |  |