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. 2011 Feb 2;93(3):261–273. doi: 10.2106/JBJS.G.01152

TABLE II.

Overview of Results*

Group Blood Flow (mL/min/100 g) Capillary Density (%) Bone Formation Rate (μm3/μm2/yr) Medullary Canal Inflammation Bone Rejection Grade
1 4.58 15.0 6.4 1.0 1.0
2 0.00 4.4 0.0 1.5 3.0
3 0.00 8.1 24.1 3.0 3.0
4 0.44 16.6 50.3 1.0 0.0
*

All values are expressed as medians.

0 = no rejection, 1 = mild rejection, 2 = moderate rejection, and 3 = severe rejection on the basis of inflammation.

0 = normal histology, 1 = less than half empty lacunae and decreased peritrabecular osteoblast lining, 2 = more than half empty lacunae and no peritrabecular osteoblast lining, and 3 = severe necrosis with empty lacunae and fragmentation.