Table 4.

Correlations between intraindividual airway tone heterogeneity and pulmonary function

	Asthma	Health
Baseline FEV1, % pred	r = 0.18, P = 0.45	r = 0.11, P = 0.77
Baseline FVC, % pred	r = 0.17, P = 0.48	r = 0.12, P = 0.76
Baseline FEV1/FVC	r = −0.15, P = 0.54	r = −0.15, P = 0.69
Baseline RV, % pred	r = −0.16, P = 0.58	r = −0.23, P = 0.58
Baseline TLC, % pred	r = −0.13, P = 0.65	r = 0.13, P = 0.77
Baseline RV/TLC	r = −0.17, P = 0.53	r = −0.14, P = 0.73
Postalbuterol FEV1, % pred	r = 0.29, P = 0.23	r = 0.00, P = 0.99
Postalbuterol FVC, % pred	r = 0.24, P = 0.33	r = 0.08, P = 0.84
Postalbuterol FEV1/FVC	r = 0.24, P = 0.32	r = −0.26, P = 0.49
Postalbuterol RV, % pred	r = −0.11, P = 0.69	r = −0.44, P = 0.28
Postalbuterol TLC, % pred	r = −0.15, P = 0.60	r = 0.07, P = 0.87
Postalbuterol RV/TLC	r = −0.05, P = 0.87	r = −0.15, P = 0.72