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Table 5 Statistical Analysis of Serum Iron and Some of its Biologically Active Derivatives in Yanbu 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 Yanbu FFs* n t-test p- value
HGB (g/dl) 15.52 ± 1.51 23 15.66 ± 1.55 21 0.3040 N.S.
COHb (%) 3.000 ± 1.27 17 4.93 ± 2.37 21 3.01979 p < 0.005
Iron (ug/dl) 86.43 ± 25.76 21 87.52 ± 27.15 21 0.1341 N.S.
TIBC (ug/dl) 324.36 ± 33.99 22 283.38 ± 50.34 21 3.1421 p < 0.005
Transferrin sat. (%) 26.31 ± 9.83 22 31.31 ± 9.57 21 1.6908 N.S.
Ferritin (ng/ml) 78.19 ± 34.09 20 169.55 ± 103.22 14 3.70087 p < 0.001
UIBC (ug/dl) 240.64 ± 49.45 22 195.91 ± 50.76 21 2.9270 p < 0.01
  1. *FFs: firefighters
  2. N.S: non-significant