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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