Comparison of characteristics and haemodynamic data between patients with and without lung injury after balloon pulmonary angioplasty
| Variables | With lung injury (n=63) | Without lung injury (n=121) | p-value |
| Baseline characteristics | |||
| Age years | 62.3±14.8 | 64.0±13.3 | 0.422 |
| Male | 34 (54.0) | 60 (49.6) | 0.573 |
| NYHA FC % (I,II/III,IV) | 28.6/71.4 | 40.0/60.0 | 0.126 |
| 6MWD m | 359±131 | 417±106 | 0.003 |
| Baseline haemodynamics | |||
| Mean RAP mmHg | 8.7±3.9 | 8.1±4.0 | 0.415 |
| Mean PAP mmHg | 48.6±9.7 | 41.7±9.0 | <0.001 |
| Cardiac index L·min−1·m−2 | 2.55±0.48 | 2.79±0.70 | 0.014 |
| PVR dyn·s·cm−5 | 727±261 | 549±231 | <0.001 |
| PAH therapy at baseline | |||
| No treatment/monotherapy/combination therapy % | 32/25/43 | 41/27/32 | 0.274 |
Data are presented as mean±sd or n (%), unless otherwise stated. NYHA FC: New York Heart Association functional class; 6MWD: 6-min walk distance; RAP: right atrial pressure; PAP: pulmonary artery pressure; PVR: pulmonary vascular resistance; PAH: pulmonary arterial hypertension.