Skip to main content
. Author manuscript; available in PMC: 2014 Apr 2.
Published in final edited form as: J Orthop Res. 2012 Nov 28;31(4):561–566. doi: 10.1002/jor.22277

Table 2.

Results

Group 1 (no growth factor) Group 2 (rhBMP-2) Group 3 (rhBMP2+VEFG)
Capilarity density (%) 13.35 (+/- 6.73) 18.98 (+/- 9.71) 32.13 (+/- 13.99)
Cortical blood flow (ml/min/100 g) 0.12 (+/- 0.06) 0.15 (+/- 0.08) 0.25 (+/- 0.11)
Single label/bone surface (SLS/BS) 5.56 (+/- 2.87) 4.98 (+/- 2.61) 5.23 (+/- 2.94)
Double label/bone surface (DLS/BS) 3.82 (+/- 2.99) 9.15 (+/- 7.42) 10.15 (+/- 8.55)
Mineralized surface/bone surface (MS/BS;%) 6.59 (+/- 2.30) 11.64 (+/- 6.90) 12.77 (+/- 8.14)
Mineral apposition rate (MAR;mm/day) 6.60 (+/- 2.30) 11.64 (+/- 6.90) 12.77 (+/- 8.14)
Bone formation rate/bone surface (BFR/BS;mm3/mm2/year) 24.78 (+/- 19.63) 73.32 (+/- 75.32) 93.47 (+/- 91.17)
Bone volume/total volume (BV/TV) 62 (+/- 9.7) 63 (+/- 9.8) 65 (+/- 8.5)
Bone surface/bone volume (BS/BV; mm/mm2) 4.73 (+/- 2.51) 4.95 (+/- 1.79) 4.44 (+/- 2.36)
Osteocyte-filled lacunae (%) 57.37 (+/- 8.55) 60.45 (+/- 8.55) 61.34 (+/- 8.89)
Osteoblast count (N cells)* 22.93 (+/- 8.14) 26.00 (+/- 9.23) 41.44 (+/- 19.22)
Osteoclast count (N cells)* 10.73 (+/- 3.41) 11.8 (+/- 3.45) 11.8 (+/- 2.64)
*

3 fields at 400 × magnification.