Article Figures & Data
Figures
- FIGURE 1.
(A) Patient on scanning table with leg positioner beneath legs. (B) Without changing position of patient, cushion is placed beneath neck to achieve sufficient neck flexion.
- FIGURE 2.
Error bar plots of area, bone mineral content (BMC), and BMD. Values gradually increase from L1 to L4. CI = confidence interval.
Tables
Description Data Age (y) Female 55.77 (±10.41) Male 53.33 (±22.29) Total 55.53 (±11.86) Range 18–76 Sex Female 53 (89.83%) Male 6 (10.17%) Weight (kg) 66.15 (±10.01) Height (cm) 159.83 (±6.88) Body mass index 26.00 (±4.23) Status Premenopausal female 8 (13.6%) Menopausal female 45 (76.3%) Male under 50 y 2 (3.4%) Male over 50 y 4 (6.8%) Femoral neck Area 4.62 (±0.47) BMD 0.701 (±0.12) T score −1.4 (±1.0) z score −0.3 (±1.1) Total femur Area 32.87 (±3.84) BMD 0.818 (±0.11) T score −1.1 (±0.9) z score −0.3 (±1.0) Qualitative data are numbers followed by percentages in parentheses; continuous data are mean ± SD. Total n = 59.
Results Vertebra Without cushion With cushion Mean difference 95% confidence interval P Area L1 12.24 (±1.49) 12.32 (±1.52) −0.08 (±0.48) −0.20–0.05 0.214 L2 13.80 (±1.69) 13.74 (±1.54) 0.06 (±0.51) −0.07–0.19 0.355 L3 14.88 (±1.86) 14.97 (±1.71) −0.08 (±0.42) −0.19–0.03 0.135 L4 15.80 (±1.84) 15.99 (±1.88) −0.19 (±0.54) −0.33 to −0.05 0.009* Total 56.73 (±6.37) 57.06 (±6.14) −0.33 (±0.78) −0.53 to −0.13 0.002* Bone mineral content (total) 49.96 (±10.22) 50.09 (±10.16) −0.13 (±0.87) −0.36–0.09 0.245 BMD L1 0.774 (±0.14) 0.774 (±0.15) 0.000 (±0.02) −0.005–0.005 0.906 L2 0.868 (±0.14) 0.864 (±0.14) 0.004 (±0.02) −0.001–0.009 0.108 L3 0.905 (±0.14) 0.902 (±0.14) 0.003 (±0.02) −0.001–0.007 0.189 L4 0.940 (±0.14) 0.935 (±0.14) 0.006 (±0.02) 0.001–0.010 0.011* Total 0.878 (±0.13) 0.875 (±0.13) 0.003 (±0.01) 0.001–0.006 0.018* T score (total) −1.57 (±1.2) −1.60 (±1.2) 0.03 (±0.1) 0.00–0.05 0.046* z score (total) −0.42 (±1.3) −0.45 (±1.3) 0.03 (±0.1) −0.00–0.05 0.096 *Statistically significant P value.
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