Table 2.
Concentrations of metals (mg/L) in Slovak (n = 56) and non-Slovak (n = 21) wine with statistical comparison (t test) between groups studied
| Metals | Slovak wine | Non-Slovak wine | t | p value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Minimum | Maximum | Mean | SD | Minimum | Maximum | |||
| Ca | 2.64 | 1.46 | 0.00 | 9.71 | 2.17 | 1.07 | 0.44 | 3.79 | 1.36 | 0.18 |
| Cd | 0.07 | 0.04 | 0.00 | 0.15 | 0.07 | 0.04 | 0.00 | 0.13 | − 0.26 | 0.79 |
| Cu | 0.03 | 0.02 | 0.00 | 0.08 | 0.03 | 0.02 | 0.00 | 0.08 | − 0.48 | 0.63 |
| Fe | 0.35 | 0.17 | 0.10 | 0.99 | 0.39 | 0.20 | 0.10 | 0.79 | − 0.89 | 0.37 |
| Hg | 0.001 | 0.001 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.79 | 0.43 |
| Mg | 0.66 | 0.84 | 0.06 | 5.97 | 0.65 | 0.37 | 0.09 | 1.28 | 0.04 | 0.97 |
| Ni | 0.04 | 0.05 | 0.00 | 0.23 | 0.09 | 0.11 | 0.00 | 0.51 | − 2.73 | 0.01 |
| Pb | 0.08 | 0.06 | 0.00 | 0.25 | 0.06 | 0.06 | 0.00 | 0.21 | 1.19 | 0.24 |
| Zn | 0.19 | 0.20 | 0.01 | 1.44 | 0.21 | 0.16 | 0.02 | 0.62 | − 0.38 | 0.70 |