Table 3 Correlation between plasma mineral elements with WISC-IQ score as a measure of ID in healthy control (HC) and adolescents with MID
From: Mineral elements and adiposity-related consequences in adolescents with intellectual disabilities
Element (µg/g) | HC (n = 180; 60%) (IQ = 85–114) | MID (n = 120; 40%) ( IQ = 40–54) | ||
|---|---|---|---|---|
R | P | R | P | |
Elemental decrease (⬇) | ||||
 Al | 0.012 | 0.01 | 0.015 | 0.05 |
 Na | 0.015 | 0.05 | 0.025 | 0.05 |
 K | 0.036 | 0.05 | 0.039 | 0.05 |
 Zn/Cu ratio | 0.056 | 0.01 | 0.058 | 0.01 |
 Cu | 0.035 | 0.01 | 0.49 | 0.02 |
Elemental increase (⬆) | ||||
 Zn | 0.4051 | 0.001 | 0.057 | 0.001 |
 Fe | 0.038 | 0.006 | 0.046 | 0.008 |
 Hg | 0.035 | 0.01 | 0.037 | 0.05 |
 Pb | 0.036 | 0.01 | 0.048 | 0.02 |
 Ca | 0.038 | 0.001 | 0.042 | 0.002 |
 Cr | 0.012 | 0.001 | 0.048 | 0.003 |
 Mg | 0.024 | 0.001 | 0.052 | 0.003 |
 Ni | 0.021 | 0.001 | 0.058 | 0.002 |
 Mn | 0.035 | 0.001 | 0.065 | 0.001 |