Figure 4From: Screening for low bone mass with quantitative ultrasonography in a community without dual-energy X-ray absorptiometry: population-based survey Trends in BUA by sex. Plots show individual BUA values and linear regression lines for the upper and lower limits of the 95% confidence interval in men (A) and women (B). The decline in BUA with age is more pronounced in women than in men (p < 0.001).Back to article page