Noninvasive bone strength index as analyzed by peripheral quantitative computed tomography pQCT pp. In conclusion, this study demonstrated that Black men have higher aBMD compared to White and South Asian men, with no differences between the latter two groups. Differences in peak bone mass in women of European and South Asian origin can be explained by differences in body size. In contrast to these findings comparing aBMD differences, we report differences in bone geometry in South Asian compared to White men.
These have been shown to predict fracture load in laboratory testing . Differences in bone outcomes between Black and South Asian men South Asian men had lower aBMD at the whole body, total hip, femoral neck and lumbar spine; the difference at the lumbar spine was attenuated following adjustments Table 2. There are several potential limitations in this study. The views expressed in this publication are those of the author s and not necessarily those of the NHS, the National Institute for Health Research or the Department of Health. Structural analysis of the human tibia by tomographic pQCT serial scans. The findings of lower SSI in Black men were surprising. These data indicate the necessity to understand the underlying ethnic differences in bone shape, mineralization and distribution to ultimately decrease the burden of male osteoporosis. A comparison of bone mineral density between Caucasian, Asian and Afro-Caribbean women. These differences are reflected in the greater bone strength in Black men. These numbers reflect different people year-to-year. There was some evidence that levels of physical activity and smoking varied between the groups of men which may have contributed to the observed differences. The same group extended these findings by showing that the highest prevalence of fracture was in White American men and the lowest was observed in Black Afro-Caribbean men . Rather, the geometry of bone differed between the groups and mostly at the diaphyseal sites, and hip axis length was longer in White men. Unfortunately, daters are not more open-minded than they used to be. This might say more about the cultural biases passed down in our society than individuals within it.. And that goes beyond just dating. Parallel to data in young women, a recent study in older UK women showed that following adjustments for BMI, South Asians had smaller bones and cortical area, with lower bone mineral content at the diaphyseal radius compared to White European women . These measures are derived parameters and are heavily based on cross-sectional area which is only one component of bone strength. The physical activity scale for the elderly PASE: In conclusion, this study demonstrated that Black men have higher aBMD compared to White and South Asian men, with no differences between the latter two groups. Ancestral origins were self-reported and it is possible that this may have resulted in misclassification; we attempted to limit this however, by ensuring that 3 out of 4 grandparents were of the same ethnic origin. This data sparks a couple questions. S [pii] [ PubMed ] 5. At the radius and tibia diaphysis, Black men had more cortical bone within a slightly larger periosteal envelope and consequently greater bending strength than the other two groups. The number of men in the Black and South Asian groups was relatively small and so caution is required in interpreting the results. Lower cortical vBMD at the diaphysis of the tibia in White men may indicate increased cortical porosity and bone turnover in this group which may in part contribute to higher fracture risk; greater porosity may be related to the differences in age between the groups but the difference was robust to age-adjustments .
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