Variables | Median (inter quartile ratio) |
---|---|
Age, year | 51 (44 to 58) |
Gender, male/female | 17/8 |
Body mass index, kg/m2 | 29 (23 to 31) |
HMV duration, year | 3 (1.5 to 4.0) |
IPAP, cm H2O | 18 (12.0 to 21.0) |
EPAP, cm H2O | 6 (5.0 to 6.0) |
LTOT, n (%) | 18 (72) |
FEV1, L | 0.73 (0.7 to 0.85) |
FEV1, % predicted | 28.0 (25.0 to 34.0) |
FVC, L | 0.87 (0.72 to 0.95) |
FVC, % predicted | 27.0 (24.0 to 34.0) |
FEV1/FVC, % | 84.0 (76.0 to 90.5) |
Pathologic lung HRCT, n (%) | 19 (76) |
PaO2/FiO2, mm Hg | 283.3 (256.8 to 316.4) |
PaO2, mm Hg | 60.0 (54.3 to 67.6) |
pH | 7.39 (7.37 to 7.42) |
PaCO2, mm Hg | 51.0 (46.5 to 57.8) |
HCO3, mmol/L | 30.2 (27.4 to 33.0) |
SaO2,% | 91.0 (87.4 to 93.9) |
Systolic PAP > 40 mm Hg, n (%) | 6 (24) |