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Table 5 Correlation of different hematological parameters, serum iron and ferritin levels in relation to blood lead, copper and zinc.

From: Relation between anemia and blood levels of lead, copper, zinc and iron among children

Hematological parameters Blood lead level
r-value (p-value)
Copper
r-value (p-value)
Zinc
r value (p-value)
RBC (×106 mm3) 0.118 (0.37) 0.264* (0.04) 0.015 (0.90)
Hb (g/dl) -0.461** (0.00) -0.159 (0.22) 0.324* (0.01)
Hct -0.484** (0.00) -0.209 (0.11) 0.305* (0.01)
MCV(μ3) -0.267* (0.03) -0.177 (0.17) 0.248 (0.05)
MCH -0.381** (0.00) -0.156 (0.23) 0.308* (0.01)
MCHC -0.155 (0.23) -0.020 (0.87) 0.120 (0.36)
RDW 0.458** (0.00) 0.238 (0.06) -0.266* (0.04)
Ferritin (ng/ml) -0.552** (0.00) -0.257* (0.04) 0.314* (0.01)
Fe (μg/dl) -0.470** (0.00) -0.136 (0.30) 0.186 (0.15)
  1. * p = < 0.05
  2. ** p = 0.00
  3. r = correlation coefficient