TABLE 3.
Variable | Patients | Measurements | |
Mean±sd | Median (range (IQR)) | ||
GMAb mg·mL−1 | 101 | 66.2±141.0 | 34.5 (1194.8 (59.8)) |
PaO2 mmHg | 77 | 71.4±12.7 | 71.2 (62.5 (15.3)) |
PaCO2 mmHg | 77 | 38.5±4.2 | 38.0 (23.4 (5.3)) |
PA–aO2 mmHg | 80 | 29.8±15.7 | 30.1 (78.3 (22.9)) |
SpO2 % | 60 | 95.0±3.2 | 96.0 (19 (4)) |
VC L | 70 | 3.1±0.8 | 3.2 (3.7 (1.3)) |
VC % predicted | 74 | 94.3±19.1 | 93.9 (101.2 (19.6)) |
FVC cm3 | 66 | 3.1±0.8 | 3.3 (3.6 (1.2)) |
FVC % predicted | 64 | 93.4±19.6 | 95.8 (100.4 (20.7)) |
DLCO % predicted | 57 | 75.8±21.4 | 75.7 (85 (36.8)) |
DLCO/VA % predicted | 52 | 78.8±29.8 | 84.2 (140.9 (26.5)) |
KL-6 units·L−1 | 79 | 4915±5385 | 3181 (31 143 (5407)) |
LDH international units·L−1 | 78 | 315.3±156.3 | 254.5 (771 (158.5)) |
IQR: interquartile range; GMAb: granulocyte-macrophage colony-stimulating factor autoantibody; PaO2: arterial oxygen tension; PaCO2: arterial carbon dioxide tension; PA–aO2: alveolar–arterial oxygen tension difference (alveolar–arterial oxygen gradient); SpO2: arterial oxygen saturation measured by pulse oximetry; VC: vital capacity; FVC: forced vital capacity; DLCO: diffusing capacity of the lung for carbon monoxide; VA: alveolar volume; KL-6: mucin-like glycoprotein; LDH: lactate dehydrogenase.