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Table 2 Measured bone mineral density (DEXA) and grey scale values (X-ray) for the regions of interest 1–5 (ROI1 – ROI5) in ap2: mean value (M) ± standard deviation (SD), coefficient of variation [CV]

From: Comparative measurements of bone mineral density and bone contrast values in canine femora using dual-energy X-ray absorptiometry and conventional digital radiography

  Anterior-posterior position ap2
Region of Interest DEXA
(g/cm2)
RX50
(grey scale value)
RX66
(grey scale value)
ROI1 0.63 ± 0.04 [0.07] 122.73 ± 8.37 [0.07] 118.56 ± 7.11 [0.06]
ROI2 0.80 ± 0.07 [0.09] 132.10 ± 6.34 [0.05] 127.61 ± 5.21 [0.04]
ROI3 0.82 ± 0.11 [0.13] 127.39 ± 7.37 [0.06] 122.56 ± 7.42 [0.06]
ROI4 0.80 ± 0.07 [0.09] 129.42 ± 6.55 [0.05] 124.68 ± 5.99 [0.05]
ROI5 0.72 ± 0.06 [0.08] 129.20 ± 7.66 [0.06] 125.16 ± 6.43 [0.05]