Table 5.
Patient details
| Connective tissue disorder | 2 | 
| NSIP | 2 | 
| UIP | 3 | 
| IPF | 2 | 
| Chronic HP | 3 | 
| Respiratory rate (breaths/minute) median (range) | 25 (16–42) | 
| PaO2 (mm Hg): median (range) | 79 (34–258) | 
| PaCO2 (mm Hg), median (range) | 38 (25–65) | 
| Arterial pH: median (range) | 7.44 (7.35–7.51) | 
| PaO2/FiO2 median (range) | 140 (42–289) | 
| NT-proBNP (pg/mL) median (range) | 1,716 (40–6,700) |