Table 6.

Concentrations of trace elements in the blood compartment of Mn-exposed and control workers

Group	Fe	Cu	Zn	Ca	Mg
Blood (μg/mL)
Control	503 ± 64.2	0.64 ± 0.07	5.10 ± 1.78	48.6 ± 4.75	35.9 ± 4.24
Exposed	551 ± 66.6	0.73 ± 0.09*	5.54 ± 0.70	48.2 ± 4.49	36.7 ± 3.02
Plasma (μg/mL)
Control	1.26 ± 0.48	0.73 ± 0.34	1.86 ± 0.26	77.6 ± 28.7	17.9 ± 6.71
Exposed	1.58 ± 0.59	0.72 ± 0.25	1.86 ± 0.57	81.7 ± 26.6	19.6 ± 6.87
RBC (μg/mL)
Control	935 ± 110	0.58 ± 0.13	11.7 ± 2.17	4.82 ± 2.07	42.3 ± 10.5
Exposed	850 ± 264	0.55 ± 0.15	10.2 ± 2.87	5.00 ± 2.94	40.8 ± 13.3

Data represent mean ± S.D.

^*p < 0.05, compared with control group.