Table 2

Pre- and post-bronchodilator lung function and shuttle walk results

CAL subjects*Control subjects
Pre-bronchodilatorPost-bronchodilatorChange (%)Pre-bronchodilatorPost-bronchodilatorChange (%)
All values shown are mean (SE). SWT = shuttle walking test; 95% CI = 95% confidence interval.
*Using paired sample t test, all results for CAL subjects pre- and post-bronchodilator are significantly different (p<0.01).
FEV1 (l)1.2 (0.1)1.4 (0.1)2.1 (0.1)2.2 (0.1)
FEV1(% predicted)60.3 (3.9)72.1 (3.8)16.7 (2.8)101.6 (3.0)105.4 (3.2)3.3 (1.1)
FVC (l)2.0 (0.1)2.4 (0.1)2.9 (0.1)3.0 (0.1)
FVC (% predicted)79.7 (3.5)94.7 (3.5)20.0 (3.5)108.6 (3.6)109.3 (3.7)1.7 (0.9)
FEV1/FVC57.7 (2.0)59.1 (2.2)1.8 (0.1)72.3 (1.2)74.5 (1.3)2.4 (0.9)
VC (l)2.1 (0.1)2.5 (0.1)3.0 (0.1)3.0 (0.1)
VC (% predicted)80.5 (3.6)97.7 (3.7)19.1(3.4)109.3 (3.7)111.8 (3.9)0.8 (0.7)
SWT (m)177.7 (14.6)195.0 (16.8)13.2 (4.8)243.3 (21.4)256.2 (21.9)5.3 (2.2)
95% CI52.5 to 372.570.0 to 427.5–28.5 to 61.370.0 to 502.083.5 to 511.5–7.0 to 45.0