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Table 7 Relative change in target biomarker levels associated with IQR changes in air pollutant levels

From: Cardiovascular and inflammatory mechanisms in healthy humans exposed to air pollution in the vicinity of a steel mill

Pollutant

Biomarker

Ratio (95%CI)

CO

IL-12

1.077 (1.018, 1.139)*

IL-13

1.046 (1.009, 1.086)*

IL-5

1.022 (0.998, 1.047)+

IL-6

1.042 (1.009, 1.077)*

IL-7

1.043 (1.007, 1.080)*

IL-8

1.016 (1.001, 1.032)*

L Selectin

0.966 (0.934, 1.000)*

ET 1–21 (saliva)

0.966 (0.933, 1.000)*

ET 1–31 (saliva)

0.962 (0.920, 1.007)+

ET 3 (saliva)

1.011 (0.975, 1.047)+

NO

GMCSF

0.910 (0.818, 1.012)+

IL-4

0.859 (0.718, 1.027)+

IL-8

0.906 (0.845, 0.972)*

NO2

ET 1–21 (saliva)

1.090 (0.904, 1.314)+

NOX

IL-8

0.915 (0.847, 0.989)*

O3

Adipsin

0.669 (0.433, 1.034)+

GMCSF

1.170 (0.979, 1.398)+

IL-2

1.476 (1.120, 1.945)*

L Selectin

0.794 (0.630, 1.000)+

Big ET-1 (plasma)

1.417 (1.024, 1.962)*

Big ET-1 (saliva)

0.616 (0.363, 1.046)+

ET 1–21 (saliva)

0.776 (0.609, 0.988)*

SAP

0.672 (0.445, 1.013)+

TNF-α

1.143 (1.006, 1.299)*

vWF

0.562 (0.328, 0.963)*

SO2

Haptoglobin

1.080 (0.988, 1.182)+

PF4

0.914 (0.829, 1.007)+

ET 1–21 (plasma)

1.401 (1.056, 1.858)*

vWF

1.265 (0.953, 1.679)+

UFP

A2M

0.543 (0.348, 0.848)*

Adipsin

0.244 (0.095, 0.627)*

AGP

0.362 (0.209, 0.626)*

Fibrinogen

0.504 (0.309, 0.823)*

Haptoglobin

0.548 (0.359, 0.837)*

L Selectin

0.684 (0.495, 0.947)*

PF4

0.464 (0.287, 0.750)*

ET 1–21 (plasma)

4.405 (1.143, 16.973)*

PM2.5

IL-4

0.837 (0.700, 1.000)+

ET 1–21 (saliva)

1.166 (1.001, 1.344)*

ET 1–31 (saliva)

1.195 (0.998, 1.430)+

vWF

1.373 (0.985, 1.912)+

  1. *p < 0.05; +p < 0.1(not significant, trend only)
  2. Covariates: Treatment period, carry over, Age, sex, BMI, atmospheric pressure, temperature and relative humidity