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]
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] |