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Table 1 Statistical Analysis of Serum Heavy Metals 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
Lead (μg/dL) 3.73 ± 1.21 8 3.49 ± 1.06 8 0.4208 N.S.
Arsenic (μg/dL) 0.36 ± 0.12 8 0.34 ± 0.23 8 0.1898 N.S.
Mercury (μg/dL) 0.27 ± 0.04 8 0.27 ± 0.05 8 0.1520 N.S.
Cadmium (μg/dL) 0.08 ± 0.06 8 0.07 ± 0.03 8 0.2444 N.S.
Antimony (μg/dL) 0.00 ± 0.00 8 0.00 ± 0.00 8 ---- N.S.
  1. *FFs: firefighters
  2. N.S: non-significant