Table 3. Comparison of the morphological parameters as shown by HR-pQCT analysis between Caucasian and Hispanic women. Data was presented as mean±s.d., before and after adjusting for BMI.
HR-pQCT parameters | Caucasian | Hispanic | P-value | P-value (BMI adjusted) |
---|---|---|---|---|
Radius | ||||
Total area/mm2 | 220±46 | 238±49 | 0.12 | 0.160 |
Cortical area/mm2 | 49±10 | 48±13 | 0.80 | 0.200 |
Trabecular area/mm2 | 171±50 | 187±48 | 0.20 | 0.170 |
Total bone density/(mgHA·cm−3) | 315.9±75.4 | 294.9±80.6 | 0.28 | 0.060 |
Cortical bone density/(mgHA·cm−3) | 875.0±75.0 | 838.5±79.0 | 0.06 | 0.020 |
Cortical thickness/mm | 0.77±0.19 | 0.72±0.22 | 0.30 | 0.050 |
Trabecular bone density/(mgHA·cm−3) | 130.1±34.2 | 128.2±40.6 | 0.84 | 0.380 |
Trabecular number/mm−1 | 1.77±0.37 | 1.80±0.42 | 0.79 | 0.660 |
Trabecular thickness/mm | 0.061±0.011 | 0.059±0.019 | 0.57 | 0.600 |
Trabecular separation/mm | 0.534±0.165 | 0.558±0.304 | 0.68 | 0.410 |
Tibia | ||||
Total area/mm2 | 668±113 | 653±117 | 0.60 | 0.770 |
Cortical area/mm2 | 96±20 | 97±22 | 0.89 | 0.280 |
Trabecular area/mm2 | 571±118 | 551±119 | 0.50 | 0.340 |
Total bone density/(mgHA·cm−3) | 259.1±47.0 | 246.3±54.5 | 0.31 | 0.070 |
Cortical bone density/(mgHA·cm−3) | 804.8±60.5 | 807.0±64.7 | 0.89 | 0.940 |
Cortical thickness/mm | 0.94±0.22 | 0.96±0.24 | 0.72 | 0.630 |
Trabecular bone density/(mgHA·cm−3) | 153.6±33.8 | 134.9±37.1 | 0.04 | 0.005 |
Trabecular number/mm−1 | 1.81±0.28 | 1.64±0.36 | 0.03 | 0.009 |
Trabecular thickness/mm | 0.071±0.011 | 0.069±0.015 | 0.67 | 0.440 |
Trabecular separation/mm | 0.495±0.088 | 0.575±0.170 | 0.02 | 0.007 |