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Table 1 The bone microstructure parameters in femur among three groups

From: Effects of sleeve gastrectomy on bone mass, microstructure of femurs and bone metabolism associated serum factors in obese rats

  Control HFD sham HFD SG
Cortical Bone Microstructure
 Ct.BV/TV (%) 91.37 ± 0.28 91.50 ± 0.13 90.94 ± 0.29*##
 Ct.BS/TV (mm−1) 4.50 ± 0.08 4.54 ± 0.05 4.76 ± 0.13**##
 Ct.N (mm−1) 1.23 ± 0.03 1.26 ± 0.01 1.36 ± 0.05**##
 Ct.Th (mm) 0.74 ± 0.02 0.73 ± 0.01 0.67 ± 0.03**##
 CtTh.SD (mm) 0.125 ± 0.006 0.119 ± 0.005 0.110 ± 0.004**#
Trabecular Bone Microstructure
 Tb.BV/TV (%) 28.29 ± 8.09 18.75 ± 3.53* 17.94 ± 2.91*
 Tb.BS/TV (mm−1) 7.06 ± 1.30 5.10 ± 0.89* 5.27 ± 0.70*
 Tb.N (mm-1) 1.99 ± 0.42 1.40 ± 0.24* 1.44 ± 0.22*
 Tb.Th (mm) 0.14 ± 0.01 0.13 ± 0.01 0.12 ± 0.01*
 TbTh.SD (mm) 0.046 ± 0.004 0.044 ± 0.006 0.040 ± 0.002
 Tb.Sp (mm) 0.45 ± 0.10 0.68 ± 0.20 0.82 ± 0.25*
 TbSp.SD 0.32 ± 0.09 0.47 ± 0.19 0.69 ± 0.25
 Tb.Pf (mm−1) 3.58 ± 2.52 6.15 ± 0.57* 6.60 ± 1.51*
 SMI 1.44 ± 0.21 1.63 ± 0.07 1.72 ± 0.15*
 To.Po (%) 71.71 ± 8.09 81.25 ± 3.53* 82.05 ± 2.91*
 Eu.N − 1413.20 ± 376.35 − 1169.20 ± 421.24 − 1484.00 ± 288.52
 Conn.Dens (mm−3) 43.65 ± 10.40 27.86 ± 6.97* 32.17 ± 6.35
  1. Data are expressed as mean ± SD, control group n = 5, HFD sham group n = 5, HFD SG group n = 9, *P<0.05, **P<0.01 vs. Control group; #P<0.05, ##P<0.01 vs. HFD sham group
  2. Ct.BV/TV: Cortical percent bone volume; Ct.BS/TV: Cortical bone surface density; Ct.N: Cortical number; Ct.Th: Cortical thickness; CtTh.SD: Standard deviation of cortical thickness; Tb. BV/TV: Trabecular percent bone volume; Tb.BS/TV: Trabecular bone surface density; Tb.N: Trabecular number; Tb.Th: Trabecular thickness; TbTh.SD: Standard deviation of trabecular thickness; Tb.Sp: Trabecular separation; TbSp.SD: Standard deviation of trabecular separation; Tb.Pf: Trabecular pattern factor; SMI: Structural model index; To.Po: Total porosity percent; Eu.N: Euler number; Conn.Dens: Connectivity density