Fig. 2From: Opportunistic screening for osteoporosis by abdominal CT in a British populationMean CT attenuation values (measured in HU), stratified according to DEXA reference standard as osteoporosis, osteopenia or normal BMD. Black vertical lines represent 95% CIs. The differences in mean CT attenuation are significantly different between each subgroup (pā<ā0.01)Back to article page