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. 2014 May 2;272(3):796–806. doi: 10.1148/radiol.14132585

Figure 4a:

Figure 4a:

Graphs show associations between (a) BWC and age, (b) BWC and cortical peripheral quantitative CT BMD for the entire study population, (c) IR-SR and age, (d) IR-SR and cortical BMD from peripheral quantitative CT, and (e) IR-SR and BWC. Both BWC and SR were positively correlated with age but negatively correlated with BMD. The larger correlation coefficients involving SR as opposed to BWC as the predictor suggest the former to be a superior biomarker of porosity.