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Table 1 The patient characteristics and baseline lung function parameters for the 39 subjects in this study

From: The relationship between inspiratory lung function parameters and airway hyper-responsiveness in subjects with mild to moderate COPD

Male/Female ratio, numbers (percentage) 12/27 (31%/69%)
Age, years 66 ± 7
Smoker, (ex-/current)$ 13/26 (33%/67%)
GOLD stage 1 patients, number 10
GOLD stage 2 patients, number 29
FEV1, L/s (pre-bronchoconstriction) 1.89 ± 0.46
FVC, L (pre-bronchoconstriction) 3.11 ± 0.72
FEV1/FVC (%, pre-bronchoconstriction) 61.1 ± 8.1
FEV1 (% predicted) 67.0 ± 11.1
FEV1, L/s (post-bronchoconstriction) 1.67 ± 0.49
FVC, L (post-bronchoconstriction) 2.83 ± 0.73
FIV1, L/s 2.92 ± 0.75
IC, L 2.32 ± 0.53
FIF50, L/s 4.97 ± 1.40
PIF, L/s 5.40 ± 1.48
PD20, mg 0.13 (0.04 to >2.60#)