Group Control(n=122) Arsenic-exposed (n=145)
Plasma TNF-a (pg/ml) 9.3±3.2 14.2±8.2*
Plasma IL-8 (pg/ml) 15.3.±3.8 24.1±7.6*
Plasma IL-6 (pg/ml) 5.6±1.9 8.7±2.4*
Plasma IL-12 (pg/ml) 15.1±2.8 24.6±5.9*
Plasma IL-10 (pg/ml) 3.2±0.3 2.5±0.6*
Serum CRP (μg/ml) 3.2±0.8 8.8±2.4*
Serum cortisol (μg/dl) 21.3±2.5 39.7±4.8*
Serum nitric oxide (μM) 23.2±7.2 37.3±12.7*
Values are mean ± SD; *p<0.001 compared with control in unpaired Student’s t test
Table 4: Concentrations of circulating pro- and anti-inflammatory mediators.