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EJNMMI Research

Table 2 Correlations of PFT parameters and 68Ga-V/Q PET/CT functional volumes computed with the manual reference standard and the 15%max fixed threshold

From: Automatic delineation of functional lung volumes with 68Ga-ventilation/perfusion PET/CT

 

Reference standard [7]

15%max threshold

 

%WL with normal ventilation

%WL with normal perfusion

%WL with normal ventilation

%WL with normal perfusion

FEV1/FVC

0.78*

0.81*

0.48*

0.46*

FEV1 (%pred)

0.61*

0.62*

0.24

0.25

DLCO (%pred)

0.43*

0.47*

− 0.07

0.00

FVC (%pred)

0.30

0.28

0.03

− 0.01

  1. *indicates p value <0.05
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