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Table 1 Measured bone mineral density (DEXA) and grey scale values (X-ray) for the regions of interest 1–5 (ROI1 – ROI5) in ap1: 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 ap1
Region of Interest DEXA (g/cm2) RX50 (grey scale value) RX66 (grey scale value)
ROI1 0.62 ± 0.04 [0.07] 123.28 ± 9.65 [0.08] 118.78 ± 7.25 [0.06]
ROI2 0.74 ± 0.06 [0.08] 127.84 ± 7.07 [0.05] 122.24 ± 4.93 [0.04]
ROI3 0.79 ± 0.10 [0.13] 125.64 ± 7.51 [0.06] 119.09 ± 6.64 [0.05]
ROI4 0.79 ± 0.07 [0.09] 128.58 ± 6.53 [0.05] 122.49 ± 4.97 [0.04]
ROI5 0.73 ± 0.05 [0.07] 129.81 ± 9.97 [0.08] 125.23 ± 7.78 [0.06]