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Table 3 Mean (SD) BMD (g/cm2) in the 4 ROIs around the stem in proximal femur

From: Quantitative measurements of adaptive bone remodeling around the cemented Zimmer® segmental stem after tumor resection arthroplasty using dual-energy x-ray absorptiometry

  BMD (g/cm2)
Postoperative (n = 10)
BMD (g/cm2)
0–3 months
(n = 9)
BMD (g/cm2)
0–6 months (n = 10)
BMD (g/cm2)
0–12 months (n = 10)
ROI1 2.272 2.269 1.949 1.866
 Range 1.04–3.57 1.607–3.628 1.110–2.586 1.431–2.591
 SD 0.661 0.648 0.445 0.386
 ΔBMD%   0 −14 −18
ROI2 2.333 2.310 2.374 1.824
 Range 1.782–3.408 1.697–3.796 1.782–3.847 1.152–2.317
 SD 0.452 0.658 0.624 0.352
 ΔBMD%   −1 + 2 −22
ROI3 2.247 2.251 2.023 1.943
 Range 1.692–3.010 1.669–3.370 1.692–2.471 1.580–2.370
 SD 0.0.397 0.561 0.285 0.307
 ΔBMD%   0 −10 −14
ROI4 2.172 2.145 2.007 1.926
 Range 1.348–3.231 1.288–3.045 1.143–2.962 1.068–2.877
 SD 0.507 0.582 0.524 0.513
 ΔBMD%   −1 −8 −11