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Fig. 3 | Arthritis Research & Therapy

Fig. 3

From: Advanced Knee Structure Analysis (AKSA): a comparison of bone mineral density and trabecular texture measurements using computed tomography and high-resolution peripheral quantitative computed tomography of human knee cadavers

Fig. 3

a Measured BMD across VOIs for CT and HR-pQCT in tibia and femur with error bars as standard deviations from 57 cadavers. b HR-pQCT results unchanged, CT results corrected by the equation obtained from linear regression in (c). c Linear regression analysis of BMD results. d Bland-Altman plots for corrected trabecular BMD. Upper (lower) LOA: 95% upper (lower) confidence limit (LOA = 1.96 × standard deviation of difference). %err = LOA divided by the mean BMDHR-pQCT. med medial, lat lateral, LOA limit of agreement, S1 subchondral epiphyseal, S2 mid-epiphyseal, S3 juxtaphyseal

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