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Table 1 Bone formation in periosteum and endosteum with knee loading

From: Knee loading stimulates cortical bone formation in murine femurs

   MS/BS (%) p value MAR (μm/day) p value BFR/BS (μm3/μm2/year) p value
5 Hz
Periosteum control 11.62 ± 1.18 NS 0.20 ± 0.01 NS 8.51 ± 0.84 NS
  loading 14.04 ± 1.82   0.22 ± 0.01   11.50 ± 1.67  
Endosteum control 11.35 ± 1.80 NS 0.21 ± 0.01 NS 8.88 ± 1.53 NS
  loading 13.00 ± 2.42   0.22 ± 0.01   10.56 ± 1.98  
10 Hz
Periosteum control 10.60 ± 1.31 < 0.05 0.20 ± 0.01 < 0.01 7.96 ± 1.28 < 0.05
  loading 14.58 ± 1.27   0.26 ± 0.02   13.96 ± 1.75  
Endosteum control 10.22 ± 2.89 NS 0.20 ± 0.01 NS 7.63 ± 2.25 NS
  loading 11.89 ± 2.70   0.22 ± 0.01   9.37 ± 2.31  
15 Hz
Periosteum control 10.61 ± 1.44 < 0.05 0.20 ± 0.01 < 0.001 7.95 ± 1.28 < 0.01
  loading 18.09 ± 2.52   0.28 ± 0.01   18.69 ± 3.13  
Endosteum control 14.14 ± 2.15 NS 0.22 ± 0.01 NS 11.69 ± 2.03 NS
  loading 17.10 ± 2.10   0.24 ± 0.01   14.99 ± 2.23  
20 Hz
Periosteum control 11.81 ± 1.50 NS 0.20 ± 0.01 NS 9.04 ± 1.48 NS
  loading 13.48 ± 1.33   0.23 ± 0.01   11.06 ± 1.10  
Endosteum control 14.17 ± 2.50 NS 0.21 ± 0.01 NS 10.55 ± 1.79 NS
  loading 15.97 ± 2.07   0.22 ± 0.02   12.67 ± 1.65  
  1. NS indicates p > 0.05.