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Table 6 Correlation between different pulmonary affection (honeycombing, ground glass, reticulation, emphysema, normal lung) using quantitative CT analysis and PFTs

From: Visual and quantitative assessment of HRCT pulmonary changes in idiopathic interstitial pneumonia with PFT correlation

  FVC%FEV1%FEV1/FVC%
Honeycombing %Correlation coefficient− 0.448− 0.652− 0.551
p value0.013<0.0010.002
N303030
Ground glass %Correlation coefficient0.016− 0.028− 0.154
p value0.9330.8830.416
N303030
Reticular opacities %Correlation coefficient0.027− 0.246− 0.376
p value0.8880.1890.041
N303030
Emphysema %Correlation coefficient− 0.195− 0.262− 0.341
p value0.3020.1630.065
N303030
Normal lung %Correlation coefficient0.4550.6910.753
p value0.011< 0.001< 0.001
N303030