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Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Feature parameters in association with COVID19 status

From: Evaluation of textural-based radiomics features for differentiation of COVID-19 pneumonia from non-COVID pneumonia

Feature parameters

Mean ± SD

P value

COVID19 pneumonia

Non-COVID19 pneumonia

GLCM

Cluster shade

 − 84.837 ± 824.714

 − 152.944 ± 217.402

0.545

Cluster tendency

92.763 ± 64.802

45.132 ± 36.703

 < 0.001

Contrast

40.825 ± 22.964

29.391 ± 22.267

0.007

Correlation

0.365 ± 0.140

0.180 ± 0.154

 < 0.001

Dissimilarity

4.732 ± 1.164

3.982 ± 1.407

0.006

Energy

0.006 ± 0.002

0.015 ± 0.018

 < 0.001

Entropy

7.807 ± 0.564

6.922 ± 0.721

 < 0.001

Homogeneity

0.299 ± 0.039

0.329 ± 0.057

0.009

GLRLM

Graylevelnonuniformity

0.060 ± 0.024

0.052 ± 0.024

 < 0.001

Long run emphasis

1.404 ± 0.117

1.392 ± 0.128

0.956

Run-length nonuniformity

0.717 ± 0.051

0.728 ± 0.066

0.811

Short-run emphasis

0.916 ± 0.018

0.920 ± 0.022

0.811

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