Mean (SD) baseline anthropometric and pulmonary function data of study subjects and subgroups defined by their end expiratory lung volumes during exercise
All (n = 20) | Euvolumics (n = 12) | Hyperinflators (n = 8) | |
---|---|---|---|
*p<0.05, hyperinflators v euvolumics. | |||
Age (years) | 68.6 (7.0) | 65.2 (8.5) | 70.9 (5.0) |
BMI (kg/m2) | 25.5 (2.8) | 27.5 (3.0) | 24.2 (1.7)* |
FEV1 (l) | 1.28 (0.38) | 1.42 (0.43) | 1.18 (0.33) |
FEV1 (% pred) | 43.6 (11.6) | 50.1 (12.2) | 39.2 (9.2)* |
FVC (% pred) | 73.5 (16.3) | 75.7 (9.8) | 72.1 (19.9) |
FEV1/FVC (%) | 46.0 (8.4) | 51.4 (8.5) | 42.5 (6.3)* |
IC (l) | 2.35 (0.44) | 2.18 (0.21) | 2.46 (0.53) |
TLC (% pred) | 128.7 (18.7) | 134.0 (34.1) | 125.7 (18.7) |
FRC | 174.2 (44.1) | 177.6 (58.6) | 172.2 (36.0) |
RV (% pred) | 202.9 (59.6) | 210.3 (78.8) | 198.6 (48.7) |
FEF25% (% pred) | 19.1 (10.8) | 25.2 (14.5) | 15.1 (4.7)* |
FEF50% (% pred) | 14.8 (7.0) | 19.0 (9.0) | 12.1 (3.5)* |
FEF75% (% pred) | 17.6 (5.8) | 18.5 (7.1) | 17.0 (5.1) |