Table 1.

Subject baseline characteristics for all 96 subjects

Variable	Absolute (Mean±SD)
Male	48
BMI	23.3 (±3.9)
DLCO (mL/min/mmHg)	6.3 (±3.7)
DLCO (% predicted)	30.4 (±10.1)
FVC (L)	2.3 (±0.7)
FEV1 (L)	0.65 (±0.71)
FEV1 (%predicted)	23.2 (±0.71)
CT lung volume TLC (L)	6.9 (±1.5)
Voxels below −950 HU (%)	43.3 (±10.1)

BMI body mass index; DLCO diffusing capacity of the lung for carbon monoxide; FVC forced vital capacity; FEV1 forced expiratory volume in 1 second; CT computed tomography; TLC total lung capacity; RV residual volume; HU Hounsfield units; L litres.