Predictor value | Value | Hazard ratio | 95% confidence intervals |
---|---|---|---|
6 minute walk distance (m) | 110 | 3.03 | 1.82–5.04 |
230 | 1.74 | 1.35–2.24 | |
350 | Reference | ||
470 | 0.57 | 0.45–0.74 | |
590 | 0.33 | 0.20–0.55 | |
Mean pulmonary artery pressure (mmHg) | 15 | 0.67 | 0.55–0.83 |
25 | Reference | ||
35 | 1.49 | 1.21–1.83 | |
45 | 2.21 | 1.46–3.36 | |
55 | 3.29 | 1.76–6.16 | |
Cardiac index (L/min/m2) | 1.5 | 1.60 | 1.00–2.56 |
2 | 1.26 | 1.00–1.60 | |
2.5 | Reference | ||
3 | 0.79 | 0.62–1.00 | |
3.5 | 0.63 | 0.39–1.00 | |
4 | 0.49 | 0.24–1.00 | |
Pulmonary vascular resistance (Dynes/sec/cm5) | 50 | 0.51 | 0.37–0.70 |
250 | Reference | ||
450 | 1.95 | 1.43–2.67 | |
650 | 3.81 | 2.03–7.14 | |
850 | 7.44 | 2.90–19.08 |