Table 2: Correlations between the bronchodilator response parameters.

Rho Values FEV1, % Increase FVC, % Increase IC, % Increase Zrs5Hz, % Decrease Rrs5Hz, % Decrease ∆Rrs5Hz-20Hz, % Decrease AX, % Decrease
FEV1, % increase
FVC, % increase 0.301
IC, % increase 0.084 0.289
Zrs5Hz, % decrease 0.272 0.197 0.074
Rrs5Hz, % decrease 0.269 0.164 0.025 0.912
∆Rrs5Hz-20Hz, % decrease 0.289 0.161 0.013 0.836 0.876
AX, % decrease 0.295 0.190 -0.032 0.816 0.769 0.813
Xrs5Hz, (post-pre) 0.100 -0.001 0.039 0.243 0.302 0.290 0.526

Rho values are given for the correlations. Bold values denotes significant (p<0.05) correlations using Spearman test.