Table 2. The activities of magnesium and thyroid hormones in different age groups of cases and the control group.
TSH, thyroid-stimulating hormone; T3, tri-iodothyronine; T4: tetra-iodothyronine; Mg, magnesium; *: statistically significant
| Parameter | Age group (years) | Mean ± SD Cases (n=55 in each age group) | Mean ± SD Controls (n=55 in each age group) | p-value |
| Mg Normal Value: 1.5-2.3 mg/dL | ≤29 | 1.68±0.27 | 1.77±0.22 | =0.0580* |
| 30-44 | 1.70±0.43 | 1.80±0.17 | =0.1117 | |
| >45 | 1.60±0.34 | 1.80±0.08 | <0.0001* | |
| TSH Normal Value: 0.6-4.5 µIU/L | ≤29 | 4.27±5.76 | 2.79±2.19 | =0.0787 |
| 30-44 | 5.65±8.53 | 1.14±0.97 | =0.0002* | |
| >45 | 7.19±11.07 | 1.50±0.87 | =0.0002* | |
| T4 Normal Value: 4.6-12.0 µg/dL | ≤29 | 7.58±2.28 | 7.16±2.46 | =0.5401 |
| 30-44 | 7.87±1.84 | 7.27±2.98 | =0.2152 | |
| >45 | 8.67±3.72 | 8.40±2.20 | =0.6481 | |
| T3 Normal Value: 0.6-1.52 ng/mL | ≤29 | 1.38±1.04 | 1.42±1.10 | =0.8430 |
| 30-44 | 1.13±0.35 | 2.40±1.14 | <0.0001* | |
| >45 | 1.62±1.46 | 0.65±0.41 | <0.0001* |