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Table 4 Comparison between mean values of different hematological parameters and serum level of ferritin in anemic and control groups.

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

 

Anemic group

(n = 30)

Mean ± SD

Non-anemic control

(n = 30)

Mean ± SD

Test of significance

RBC (×106 mm3)

4.05 ± 0.51

4.24 ± 0.28

t = -1.7

p = 0.08

Hb (g/dl)

8.97 ± 0.88

12.13 ± 0.46**

t = -17.2

p = 0.00

Hct

28.59 ± 2.26

36.56 ± 2.01**

t = -14.5

p = 0.00

MCV(μ3)

70.02 ± 14.80

81.48 ± 6.70**

t = -3.8

p = 0.00

MCH

21.74 ± 3.21

27.08 ± 1.23**

t = -8.5

p = 0.00

MCHC

31.38 ± 1.98

33.54 ± 1.91**

t = -4.2

p = 0.00

RDW

17.27 ± 2.66

13.24 ± 0.60**

t = 8.0

p = 0.00

Ferritin (ng/ml)

40.21 ± 23.46

82.28 ± 9.76**

t = -9.0

p = 0.00

  1. ** p = 0.00
  2. t = t-test