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Table 4 QCT-based lung functions between non-dust-exposed subjects and dust-exposed subjects

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

QCT-based lung functions

NDE subjects (n = 164)

DE subjects (n = 41)

P value

TLC, liter

3.902

(1.030)

3.477

(0.970)

< 0.001

FRC, liter

2.163

(0.705)

1.977

(0.741)

< 0.05

IC, liter

1.794

(0.842)

1.543

(0.723)

< 0.005

Jacobian

Total

1.690

(0.364)

1.617

(0.348)

0.058

LUL

1.601

(0.346)

1.558

(0.355)

0.258

LLL

1.884

(0.452)

1.900

(0.469)

0.734

RUL

1.581

(0.338)

1.440

(0.268)

< 0.001

RML

1.465

(0.256)

1.391

(0.224)

< 0.005

RLL

1.861

(0.436)

1.834

(0.414)

0.562

Emph%

0.017

(0.023)

0.010

(0.013)

< 0.005

fSAD%

0.087

(0.116)

0.080

(0.106)

0.554

  1. Values are presented as mean (SD); Emph% Percent emphysema; FRC Functional residual volume, fSAD% Percent functional small airway disease, IC Inspiratory capacity, TLC Total lung capacity, QCT Quantitative computed tomography, LLL Left lower lobe, LUL Left upper lobe, RLL Right lower lobe, RML Right middle lobe, RUL Right upper lobe; The values are presented with absolute values in TLC, FRC, and IC, not predicted values
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Respiratory Research

ISSN: 1465-993X

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