Table 4 Mean (SD) BMD (g/cm2) in the 4 ROIs around the stem in distal femur
BMD (g/cm2) Postoperative (n = 9) | BMD (g/cm2) 0–3 months (n = 8) | BMD (g/cm2) 0–6 months (n = 9) | BMD (g/cm2) 0–12 months (n = 9) | |
|---|---|---|---|---|
ROI1 | 2.163 | 1.931 | 2.123 | 1.905 |
Range | 1.772–3.191 | 1.675–2.195 | 1.574–3.409 | 1.687–2.143 |
SD | 0.42 | 0.16 | 0.52 | 0.16 |
ΔBMD% | −11 | −11 | −12 | |
ROI2 | 2.257 | 1.926 | 2.231 | 2.067 |
Range | 1.955–3.522 | 1.087–2.170 | 1.898–3.133 | 1.825–2.251 |
SD | 0.48 | 0.35 | 0.37 | 0.14 |
ΔBMD% | −15 | −1 | −8 | |
ROI3 | 2.297 | 2.012 | 2.254 | 2.115 |
Range | 1.955–3.514 | 1.120–2.625 | 1.955–2.961 | 1.893–2.414 |
SD | 0.48 | 0.42 | 0.31 | 0.16 |
ΔBMD% | −12 | −2 | −8 | |
ROI4 | 2.100 | 2.043 | 2.115 | 2.034 |
Range | 1.675–2.486 | 1.631–2492 | 1.840–2.365 | 1.602–2.443 |
SD | 0.23 | 0.27 | 0.18 | 0.27 |
ΔBMD% | −3 | + 1 | −3 |