Table 9 Descriptive statistics for the Me(tooth)/Me(bone) ratios (unitless) for the samples provided by people living in Bielsko-Biala and Ruda Slaska
|  | Coefficients Me(tooth)/Me(bone) for the biological material from people living in Bielsko-Biala (n = 33) | Coefficients Me(tooth)/Me(bone) for the biological material from people living in Ruda Slaska (n = 34) | p - level* | ||||
|---|---|---|---|---|---|---|---|
|  | Mean ± standard deviation | Min - Max | 95% conf. limits of mean | Mean ± standard deviation | Min - Max | 95% conf. limits of mean |  |
Pb | 4.89 ± 4.14 | 0.97 - 17.49 | 3.42 - 6.35 | 1.47 ± 0.78 | 0.65 - 4.29 | 1.19 - 1.74 | 0.254 |
Cd | 0.32 ± 0.22 | 0.08 - 2.43 | 0.15 - 0.48 | 0.19 ± 0.11 | 0.07 - 1.43 | 0.10 - 0.27 | 0.081 |
Fe | 0.82 ± 0.59 | 0.18 - 2.80 | 0.61 - 1.02 | 0.78 ± 0.52 | 0.20 - 2.95 | 0.60 - 0.97 | 0.438 |
Mn | 3.93 ± 2.53 | 0.88 - 26.36 | 2.32 - 5.55 | 1.91 ± 1.40 | 0.44 - 11.80 | 1.07 - 2.75 | 0.078 |
Cr | 6.04 ± 3.61 | 0.59 - 31.28 | 3.69 - 8.38 | 4.47 ± 3.14 | 0.31 - 33.52 | 2.32 - 6.62 | 0.295 |
Cu | 1.98 ± 1.59 | 0.50 -7.01 | 1.41 - 2.54 | 0.92 ± 0.56 | 0.30 - 2.57 | 0.73 - 1.12 | 0.059 |
Zn | 2.08 ± 0.81 | 1.12 - 4.50 | 1.80 - 2.37 | 1.68 ± 0.89 | 0.67 - 4.47 | 1.37 - 1.99 | 0.086 |