Table 3: Concentration of trace (μg/mL) and ultratrace elements (ng/mL) determined in whole blood for both nonexposed and exposed groups. Data presented as error (SE). Unpaired -test.

ElementNonexposed ()Exposed () value

Aluminium (Al)112.60 ± 12.00230.50 ± 37.100.046
Antimony (Sb)16.15 ± 2.6419.17 ± 3.270.474
Arsenic (As)3.61 ± 0.707.88 ± 1.270.006
Barium (Ba)25.37 ± 3.3019.62 ± 2.080.310
Beryllium (Be)0.11 ± 0.010.09 ± 0.010.548
Bismuth (Bi)0.83 ± 0.090.67 ± 0.090.211
Cadmium (Cd)0.83 ± 0.070.99 ± 0.080.169
Calcium (Ca)312,752 ± 34,868271,559 ± 36,9570.420
Chromium (Cr)5.08 ± 0.668.44 ± 1.300.026
Cobalt (Co)0.48 ± 0.060.59 ± 0.070.261
Copper (Cu)3322 ± 267.604785 ± 380.900.003
Iron (Fe)a2,580,203 ± 109,5962,657,316 ± 110,5520.622
Lead (Pb)73.49 ± 8.4897.88 ± 12.420.181
Lithium (Li)0.17 ± 0.790.96 ± 0.900.513
Magnesium (Mg)a158,025 ± 4678149,515 ± 32980.145
Manganese (Mn)74.92 ± 4.3371.08 ± 2.710.651
Mercury (Hg)2.74 ± 0.451.80 ± 0.220.251
Molybdenum (Mo)1.95 ± 0.302.41 ± 0.280.269
Nickel (Ni)2.75 ± 0.505.90 ± 0.850.008
Potassium (K)a6,380,585 ± 728,8268,300,853 ± 284,1960.038
Selenium (Se)762.50 ± 37.21640.50 ± 23.270.007
Silver (Ag)0.54 ± 0.070.47 ± 0.090.514
Sodium (Na)a6,232,252 ± 737,6405,730,624 ± 795,8540.645
Vanadium (V)20.48 ± 1.6519.76 ± 1.630.758
Zinc (Zn)a24,793 ± 139629,155 ± 970.600.030

aTrace elements.