Table 4 Multiple linear regression - Lung diffusion capacity (DL) – DLCO and DLNO. Scores for irregular opacities and emphysema according to ICOERD (sum grades for irregular opacities and emphysema respectively, between 0 and 18).

From: Carbon monoxide and nitric oxide diffusion capacity of formerly exposed asbestos workers with high-resolution computed tomography in a cross-sectional study

n = 190

p ANOVA

corr. R2

 

DLCO [%pred]

SE

Beta

p

B (95% CI)

 

< 0.001

0.14

  

Smoking (Pack years)

0.0004

− 0.04

0.60

− 0.0002 (− 0.001 to 0.001)

Cumulative asbestos exposure (fibre years)

0.0001

0.10

0.14

0.0002 (− 0.00006 to 0.0004)

Score for irregular opacities (sum grade)

0.006

− 0.23

0.001

− 0.02 (− 0.03 to − 0.009)

Score for emphysema (sum grade)

0.004

− 0.27

< 0.001

− 0.02 (− 0.03 to − 0.009)

Pleural thickening (yes / no)

0.03

0.03

0.36

0.03 (− 0.03 to 0.08)

n = 190

p ANOVA

corr. R2

 

DLNO [%pred]

SE

Beta

p

B (95% CI)

 

< 0.001

0.16

  

Smoking (Pack years)

0.0004

− 0.03

0.63

− 0.0002 (− 0.001 to 0.001)

Cumulative asbestos exposure (fibre years)

0.0001

0.13

0.06

0.0002 (− 0.000007 to 0.0004)

Score for irregular opacities (sum grade)

0.006

− 0.28

< 0.001

− 0.02 (− 0.03 to − 0.01)

Score for emphysema (sum grade)

0.004

− 0.25

< 0.001

− 0.14 (− 0.02 to − 0.007)

Pleural thickening (yes / no)

0.02

0.02

0.29

0.007 (− 0.04 to 0.05)

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