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. Author manuscript; available in PMC: 2021 Aug 26.
Published in final edited form as: J Neurotrauma. 2017 Jun 5;34(21):2972–2981. doi: 10.1089/neu.2016.4814

Table 4.

μCT-Based Cortical Morphology at the Distal Femur and Femoral Diaphysis after Sham Surgery (T9 Laminectomy) or Severe Spinal Cord Injury (SCI) Alone or in Combination with Testosterone-Enanthate (SCI+TE) or TE Plus Finasteride (SCI+TE+FIN)

SHAM (a) SCI (b) SCI+TE (c) SCI+TE+FIN (d)
Distal femur
 Tt.Ar, mm2   17.9 ± 0.53   17.0 ± 0.42   16.7 ± 0.35   17.6 ± 0.66
 Ct.Ar, mm2   7.36 ± 0.13b*,c*,d*   6.30 ± 0.08a*,d   5.95 ± 0.10a*   5.90 ± 0.18a*,b
 Ma.Ar, mm2   10.6 ± 0.46   10.7 ± 0.41   10.9 ± 0.31   11.7 ± 0.74
 Ct.Ar/Tt.Ar, %   0.41 ± 0.01b*,c*,d*   0.37 ± 0.01a*,d   0.36 ± 0.01a*   0.33 ± 0.02a*,b
 Ct.Th, mm 0.433 ± 0.010d 0.404 ± 0.007 0.416 ± 0.013 0.396 ± 0.014a
 TMD, g/mm2 1.215 ± 0.006c 1.209 ± 0.004c* 1.236 ± 0.006a,b* 1.223 ± 0.007
Femoral diaphysis
 Tt.Ar, mm2   12.4 ± 0.37   11.8 ± 0.20   11.9 ± 0.27   12.1 ± 0.47
 Ct.Ar, mm2   7.86 ± 0.17b*,d*   7.28 ± 0.13a*   7.46 ± 0.08   7.28 ± 0.15a*
 Ma.Ar, mm2   4.53 ± 0.14   4.52 ± 0.11   4.54 ± 0.20   4.79 ± 0.37
 Ct.Ar/Tt.Ar, %   0.64 ± 0.01   0.62 ± 0.01   0.62 ± 0.01   0.61 ± 0.02
 Ct.Th, mm 0.726 ± 0.011d* 0.693 ± 0.010 0.689 ± 0.006 0.678 ± 0.017a*
 TMD, g/mm2 1.341 ± 0.005 1.342 ± 0.005 1.340 ± 0.005 1.331 ± 0.006

Values are means ± standard error; n = 9–12/group.

Letters a–d indicate differences from respectively labeled groups at p < 0.05 or *p < 0.01 (a = vs. SHAM, b = vs. SCI, c = vs. SCI+TE, and d = vs. SCI+TE+FIN).

μCT, microcomputed tomography; Tt.Ar, total area inside the periosteal envelope; Ct.Ar, cortical bone area; Ma.Ar, medullary area; Ct.Ar/Tt.Ar, cortical area fraction; Ct.Th, cortical thickness; TMD, tissue mineral density.