The Potential Diagnostic Biomarkers for the IgG Subclass in Coal Workers’ Pneumoconiosis
Table 1
Participants’ characteristics.
CWPs ()
DEWs ()
HCs ()
value
Age (years)
0.273
BMI (kg/m2)
0.635
Smokers (, %)
81 (77.88%)
77 (70.64%)
57 (77.03%)
0.642
Drinking status (, %)
13 (12.50%)#
30 (27.52%)
14 (18.92%)
0.022
Hypertension (, %)
16 (15.38%)
12 (11.01%)
8 (10.81%)
0.548
White blood cells, ×109/mL
6.5 (5.4, 7.9)
6.0 (5.4, 7.2) #
6.8 (5.8, 8.1)
0.031
Neutrophils, ×109/mL
3.9 (3.2, 5.2)
3.6 (2.9, 4.3)
3.9 (3.5, 4.8)
0.022
Lymphocytes, ×109/mL
1.7 (1.4, 2.2)
1.9 (1.5, 2.3)
2.1 (1.7, 2.6) #
0.005
Exposure time, years
28 (20, 30)
24 (22, 26)
NA
0.290
FVC, predicted %
#
<0.001
FEV1, predicted %
#
<0.001
FEV1/FVC, %
68.8 (58.0, 76.3)#
84.2 (76.2, 88.2) #
75.3 (72.1, 79.0)
<0.001
values were calculated by the chi-square test, Kruskal–Wallis test, one-way analysis, Mann–Whitney test, as appropriate. BMI: body mass index; FVC: forced vital capacity; FEV1: forced expired volume in the first second. #Compared with healthy controls, adjusted . Compared with DEWs, adjusted .