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Table 3 Mean (standard deviation) values of HU for the healthy (N = 13) and IPF (N = 9) groups

From: Volumetric characteristics of idiopathic pulmonary fibrosis lungs: computational analyses of high-resolution computed tomography images of lung lobes

Variable

Healthy

IPF

p-value

Expanded state

Mean

− 739 (100)

− 596 (69)

0.003

Median

− 869 (48)

− 750 (64)

< 0.001

Kurtosis

8.93 (5.74)

3.54 (1.12)

0.018

Skewness

2.33 (0.97)

1.18 (0.34)

0.006

Contracted state

Mean

− 578 (60)

− 382 (133)

0.002

Median

− 690 (55)

− 429 (184)

0.002

Kurtosis

5.10 (1.99)

3.05 (1.01)

0.007

Skewness

1.49 (0.39)

0.56 (0.50)

0.001

  1. We used the t-test to evaluate the statistical significance of differences in the mean values between the two groups and made the family-wise Bonferroni correction to the p-values. Abbreviations: HU Hounsfield unit, IPF idiopathic pulmonary fibrosis
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Respiratory Research

ISSN: 1465-993X

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