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Table 2 Biological and environmental variables measured in exposed and control subjects express as Median value (IQR)

From: Oxidative stress induction in woodworkers occupationally exposed to wood dust and formaldehyde

  Overall exposed Factory A Factory B Factory C Factory D Controls KW test
n = 127 n = 38 n = 30 n = 46 n = 13 n = 111 p-value
WD
[mg/m3]
0.34
(0.25)
0.39
(0.22)
0.33
(0.21)
0.22
(0.16)
0.45
(0.30)
0.04
(0.03)
p < 0.001
FA
[μg/m3]
48.4
(68.3)
81.6
(68.2)
132.9
(125.3)
34.5
(9.1)
26.7
(4.2)
13.7
(15.0)
p < 0.001
15-F2t-IsoP
[ng/mg crea]
3.29
(3.31)
3.66
(3.00)
3.37
(9.49)
3.37
(2.89)
2.78
(1.25)
2.51
(2.37)
p < 0.001
8-oxo-dGuo
[μmol/mol crea]
1.02
(0.57)
1.00
(0.61)
0.95
(0.39)
1.15
(0.54)
0.98
(0.44)
1.15
(0.76)
p = 0.33