Table 6.
Quantitative bone ultrasound, bone mineral density and volumetric bone mineral density for low and high mercury dietary exposure (above or below the respective medians).
| Measurement | Low (<11.65 µg/day) | High (>11.65 µg/day) | p-Value |
|---|---|---|---|
| Mean (IQR) | Mean (IQR) | ||
| Quantitative bone ultrasound | |||
| Ad-SoS (m/s) | 2042 (1997–2088.5) | 2040 (1999.25–2089.75) | 0.956 |
| Bone mineral density (gr/cm2) | |||
| BMD Femoral neck | 0.829 (0.769–0.913) | 0.839 (0.772–0.901) | 0.984 |
| BMD Femoral trochanter | 0.684 (0.61–0.735) | 0.667 (0.612–0.723) | 0.554 |
| BMD Ward’s triangle | 0.600 (0.543–0.690) | 0.62 (0.543–0.670) | 0.868 |
| BMD L2 | 1.003 (0.951–1.097) | 1.005 (0.937–1.067) | 0.267 |
| BMD L3 | 1.043 (0.972–1.118) | 1.033 (0.974–1.093) | 0.341 |
| BMD L4 | 1.015 (0.951–1.104) | 0.996 (0.928–1.094) | 0.125 |
| BMD lumbar spine | 1.026 (0.961–1.096) | 1.006 (0.948–1.084) | 0.183 |
| Volumetric BMD (mg/cm3) | |||
| Total density | 338.3 (306.95–369.9) | 336.8 (300.775–367.55) | 0.655 |
| Trabecular density | 294.1 (269.1–323.35) | 294.5 (267.475–317.4) | 0.084 |
| Cortical density | 182.2 (161.5–207.45) | 173.55 (152.475–200.725) | 0.69 |
| Bone morphometry (mm2) | |||
| Total area | 132.3 (121.85–144.8) | 132.8 (120.4–143.225) | 0.859 |
| Trabecular area | 458.2 (414.1–508.5) | 467.9 (417.6–513.725) | 0.99 |
| Cortical area | 161.7 (149.175–177.1) | 162.25 (147.3–174.7) | 0.96 |