Micromineral (μmol/L) | Drug addict | Non-addict control | P-value* | ||||
---|---|---|---|---|---|---|---|
 | N | % | Mean ± SD | N | % | Mean ± SD |  |
Copper | |||||||
   9.0–10.9 | 7 | 2.8 | 21.6 ± 5.8 | 20 | 20.0 | 15.2 ± 4.1 | t = 10.001 |
   11.0–21.9 | 132 | 52.1 |  | 74 | 74.0 |  | p = 0.002 |
   22.0–45.0 | 114 | 45.1 |  | 6 | 6.0 |  |  |
Zinc | |||||||
   5.0–11.5 | 80 | 31.6 | 13.8 ± 4.5 | 53 | 53.0 | 12.3 ± 4.1 | t = 3.00 |
   11.6–18.5 | 137 | 54.2 |  | 39 | 39.0 |  | p = 0.001 |
   18.6–40.0 | 36 | 14.2 |  | 8 | 8.0 |  |  |
Iron | |||||||
   8.5–14.5 | 34 | 13.4 | 20.5 ± 6.5 | 0 |  | 32.4 ± 8.9 | t = 13.94 |
   14.6–32.2 | 206 | 81.4 |  | 48 | 48.0 |  | p = 0.001 |
   32.3–42.0 | 13 | 5.2 |  | 52 | 52.0 |  |  |