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Table 3 Comparison of deformation ratios of the bifurcation angle (εθ) between non-dust-exposed subjects and dust-exposed subjects

From: Quantitative CT-based structural alterations of segmental airways in cement dust-exposed subjects

Region

NDE subjects(n = 164)

DE subjects(n = 41)

P value

Trachea

−2.713

(7.232)

−1.713

(5.389)

0.191

RMB

14.51

(10.44)

8.172

(6.396)

< 0.001

TriRUL

1.290

(12.31)

4.194

(7.858)

< 0.05

BronInt

−2.171

(13.53)

−1.849

(11.07)

0.815

LMB

11.29

(10.40)

7.728

(12.39)

< 0.01

TriLUL

6.366

(9.857)

2.708

(9.361)

< 0.005

LLB6

6.505

(13.91)

5.084

(10.14)

0.266

  1. Values are presented as mean (SD); BronInt Bronchus intermedius, LMB Left main bronchus, RMB Right main bronchus, TriRUL Trifurcation of right lower lobe, TriLUL Trifurcation of left upper lobe, εθ Deformation ratio of bifurcation angle
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Respiratory Research

ISSN: 1465-993X

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