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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Acad Radiol. 2010 Jan 12;17(4):489–495. doi: 10.1016/j.acra.2009.11.004

Table 3.

Correlations between CT lung volume and other indices

Insp-LAA% Exp-LAA% Insp-MLD Exp-MLD MLD E/I ratio
Insp-LV 0.175 0.096 −0.463c −0.233 0.030
Exp-LV 0.449c 0.482b −0.565a −0.725a 0.628a
LV E/I ratio 0.411c 0.554a −0.256 −0.767a 0.952a
a

p<0.0001;

b

p<0.001;

c

p<0.01

Definition of abbreviations: insp = inspiratory, exp = expiratory, LAA% = low attenuation area percent (<−950HU), MLD = mean lung density, E/I = expiratory/inspiratory, LV = lung volume