Table 1.

Univariate Correlation of Radiomics Data with Pulmonary Function Tests.

Feature	Correlation Coefficient	p-value
Correlation of Coarse Texture with DLCO
Low Gray Level Run Emphasis	ρ = −0.51	p = 0.011
Short Run Low Gray Level Emphasis	ρ = −0.53	p = 0.008
Correlation of Intensity with FEV 1
Energy	ρ = 0.56	p < 0.001
Entropy	ρ = −0.46	p = 0.002
Kurtosis	ρ = −0.54	p < 0.001
Skewness	ρ = −0.62	p < 0.001
Correlation of Fine Texture with FEV 1
Autocorrelation	ρ = 0.57	p < 0.001
Cluster Prominence	ρ = 0.34	p = 0.026
Cluster Shade	ρ = 0.45	p = 0.002
Cluster Tendency	ρ = 0.57	p < 0.001
Correlation	ρ = 0.55	p < 0.001
2D Entropy	ρ = 0.34	p = 0.025
Information Measure of Correlation 2	ρ = 0.35	p = 0.019
Maximum Probability	ρ = −0.42	p = 0.004
Sum Average	ρ = 0.63	p < 0.001
Sum Entropy	ρ = 0.39	p = 0.009
Sum Variance	ρ = 0.56	p < 0.001
Variance	ρ = 0.54	p < 0.001
Correlation of Coarse Texture with FEV 1
Gray Level Non-uniformity	ρ = −0.36	p = 0.018
Low Gray Level Run Emphasis	ρ = −0.54	p < 0.001
High Gray Level Run Emphasis	ρ = 0.47	p = 0.001
Short Run Low Gray Level Emphasis	ρ = −0.56	p < 0.001
Short Run High Gray Level Emphasis	ρ = 0.40	p = 0.007
Long Run High Gray Level Emphasis	ρ = 0.72	p < 0.001
Correlation of Morphology with FEV 1
Surface Area	ρ = −0.45	p = 0.002
Volume	ρ = −0.42	p = 0.006