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Table 4 Statistical Analysis of Serum Iron and Some of its Biologically Active Derivatives in Jeddah Firefighters as Compared to the Normal Control Group, (mean ± S.D.).

From: Serum heavy metals and hemoglobin related compounds in Saudi Arabia firefighters

Parameter

Normal Control Group

n

Jeddah FFs*

n

t-test

p- value

HGB (g/dl)

15.52 ± 1.51

23

16.26 ± 1.12

27

1.9801

N.S.

COHb (%)

3.000 ± 1.27

17

5.43 ± 2.91

22

3.20993

p < 0.005

Iron (ug/dl)

86.43 ± 25.76

21

80.0 ± 28.84

28

0.821094

N.S.

TIBC (ug/dl)

324.36 ± 33.99

22

330.48 ± 50.77

27

0.4833

N.S.

Transferrin sat. (%)

26.31 ± 9.83

22

24.06 ± 9.40

27

0.8175

N.S.

Ferritin (ng/ml)

78.19 ± 34.09

20

123.26 ± 63.10

27

2.89175

p < 0.05

UIBC (ug/dl)

240.64 ± 49.45

22

253.30 ± 61.27

27

0.7830

N.S.

  1. *FFs: firefighters
  2. N.S: non-significant