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Table 2 Concentrations (mean μg.kg-1 ± standard error) of arsenic, cadmium, chromium, lead and nickel as measured in hair and bladder tissue, from controls and case lesions.

From: Trace metals and over-expression of metallothioneins in bladder tumoral lesions: a case-control study

  Arsenic Cadmium Chromium Lead Nickel
Bladder tissue      
Controls (n = 17) 19.94 ± 6.46 21.60 ± 2.02 269.41 ± 38.18 10.29 ± 1.84 0.08 ± 0.03
All cases (n = 37) 23.00 ± 2.62 25.91 ± 1.95 247.84 ± 33.36 14.73 ± 2.87 0.07 ± 0.01
Carcinomas (n = 18) 17.94 ± 4.21 20.83 ± 2.13 283.89 ± 41.85 13.33 ± 3.77 0.06 ± 0.01
Hair      
Controls (n = 13) 59.54 ± 12.44 16.25 ± 3.01 123.85 ± 25.83 460.77 ± 176.78 0.09 ± 0.02
All cases (n = 23) 61.96 ± 8.25 23.20 ± 2.39a 634.35 ± 127.78a 1095.22 ± 214.77a 0.30 ± 0.05a
Carcinomas (n = 10) 58.30 ± 12.69 21.61 ± 3.44 559.00 ± 198.40a 960.00 ± 318.04 0.28 ± 0.08a
  1. a differs significantly (p ≤ 0.05) from controls.