Table E3.

Correlations between clinical outcomes and QCT parameters for asthmatic patients (upper values) and patients with COPD (lower values)

	RV/TLC	KCO (% predicted)	Sputum eosinophils (%)*	Sputum neutrophils (%)*	Blood eosinophils*	Blood neutrophils*	AQLQ*	ACQ6*	SGRQ total*
Mean LA/BSA (mm2/m2)	−0.147 −0.171	−0.163 −0.089	0.031 0.121	−0.134 0.036	−0.019 −0.033	−0.183† −0.11	0.113 NA	−0.152† NA	NA −0.034
Mean TA/BSA (mm2/m2)	−0.115 −0.198	−0.153 −0.084	0.044 0.096	−0.120 0.042	−0.011 −0.033	−0.188† −0.101	0.135 NA	−0.164* NA	NA −0.040
Mean WA/BSA (mm2/m2)	−0.078 −0.217	−0.153 −0.075	0.064 0.086	−0.119 0.064	−0.003 −0.027	−0.196† −0.28	0.171† NA	−0.179* NA	NA −0.059
Mean %WA	0.237‡ 0.130	0.201† 0.053	−0.003 −0.236	0.094 −0.026	0.037 −0.07	0.128 0.216	−0.049 NA	0.120 NA	NA 0.010
MLDE/I	0.481‡ 0.510‡	−0.146 −0.466‡	0.026 −0.170	0.119 0.185	0.081 0.033	0.053 0.135	−0.015 NA	0.030 NA	NA 0.230†
Perc15 (HU)	−0.196† −0.271†	−0.013 0.477‡	−0.239† 0.047	0.084 0.005	−0.007 0.142	0.022 −0.018	−0.028 NA	0.001 NA	NA 0.108
LAC-D−950	−0.162 −0.170	0.083 0.484‡	0.272‡ 0.181	−0.083 0.193	0.156 0.025	−0.074 −0.021	0.006 NA	0.024 NA	NA −0.061

ACQ6, Asthma Control Questionnaire (first 6); AQLQ, Asthma Quality of Life Questionnaire; NA, not applicable; RV/TLC, residual volume/total lung capacity; SGRQ, St Georges Respiratory Questionnaire.

Pearson correlation coefficient for parametric data are shown. *Otherwise, the Spearman correlation coefficient for nonparametric data is shown.

†P < .05 and ‡P < .005.