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Table 3 Comparison of vital capacity (VC), diffusion capacity (DLCO), and transfer coefficient (DLCO/VA) of subjects without and with pleural plaques or without and with pulmonary fibrosis in TCT

From: Relations between vital capacity, CO diffusion capacity and computed tomographic findings of former asbestos-exposed patients: a cross-sectional study

Shapiro-Wilk-Test

VC [% pred.]

DLCO [% pred.]

DLCO/VA [% pred.]

p = 0.15

p = 0.06

p = 0.40

 

n

Mean

SD

Mean

SD

Mean

SD

Pleural plaques

none

14

100.1

11.6

79.7

16.1

98.0

23.1

yes

27

94.6

20.5

74.6

16.8

104.5

21.3

correlation ρ of pleural plaques (score A) with lung function parameters

 

−0.12

−0.25

0.12

 

n

VC [% pred.]

DLCO [% pred.]

DLCO/VA [% pred.]

Mean

SD

Mean

SD

Mean

SD

Pulmonary fibrosis

none

23

95.7

16.2

80.0

14.2

106.2

20.6

yes

18

97.5

20.4

61.3

18.0

97.3

23.6

correlation ρ of pulmonary fibrosis (score B) with lung function parameters

 

0.10

−0.22

−0.26

Combined score

correlation ρ of the combined score of parietal pleural changes and diffuse pleural thickening with lung function parameters

 

−0.18

− 0.35*

0.09

  1. ρ correlation (Spearmans rho, LLN lower limit of normal; * significant (p < 0.05)