Potential Antioxidant Activity of Calcium and Selected Oxidative Stress Markers in Lead- and Cadmium-Exposed Workers

Table 3

Correlations between calcium level and selected parameters.

Parameters
PbB (μg/dl)	-0.13	0.034
ZPP (μg/gHb)	-0.16	0.008
CdB (μg/l)	-0.24	0.001
MDA (μmol/l)	-0.14	0.025
CER (mmol/l)	-0.10	0.123

PbB: blood lead level. ZPP: zinc protoporphyrin. CdB: blood cadmium level. MDA: malondialdehyde. CER: ceruloplasmin.values: Spearman’s rank correlation.