Table 1

Anthropometric and lung function characteristics at baseline

VariableGroup 1 (n=9)Group 2 (n=6)
FEV1 = forced expiratory volume in 1 second; FVC = forced vital capacity; RV = residual volume (by helium dilution), Tlco = single breath transfer factor for carbon monoxide.
Age (years)66.6 (7.7)65.0 (5.4)
Height (cm)157.0 (9.6)149.2 (5.2)
Weight (kg)61.2 (17.5)57.3 (20.7)
Body mass index (kg/m2)24.8 (6.9)25.6 (8.8)
Fat-free mass (% ideal weight)67.3 (9.8)68.9 (10.9)
FEV1 (l)0.94 (0.19)0.97 (0.34)
FEV1 (% predicted)38.0 (9.6)39.5 (13.3)
FVC (% predicted)54.0 (13.3)57.2 (11.3)
FEV1/FVC0.49 (0.11)0.49 (0.08)
RV (% predicted)154.2 (41.8)184.0 (26.1)
Tlco (% predicted)56.1 (15.8)49.5 (12.6)