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Table 2 Spearman’s rank correlation coefficients for determinants of fibrotic IP

From: Clinical impact of high-attenuation and cystic areas on computed tomography in fibrotic idiopathic interstitial pneumonias

 

HAA%

CA%

MLD

SD-LD

Kurtosis

Skewness

%FVC

–0.59

–

−0.55

−0.52

0.48

0.49

%DLCO

−0.43

–

−0.56

−0.45

0.57

0.59

GGO

–

−0.40

–

–

–

–

Fibrosis

0.25

0.38

–

0.33

−0.28

−0.28

  1. Missing data (–) indicating correlation was not statistically significant
  2. CT computed tomography, HAA% percentage of lung field occupied by high-attenuation areas, CA% percentage of lung field occupied by cystic areas, MLD mean lung density, HU hounsfield units, SD-LD standard deviation of lung densities, %FVC percentage of predicted forced vital capacity, %DLCO percentage of predicted diffusion capacity of carbon monoxide, GGO visual score of ground-glass opacity, Fibrosis, visual fibrosis score