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. Author manuscript; available in PMC: 2013 Jun 5.

Published in final edited form as: J Orthop Res. 2009 Aug;27(8):996–1001. doi: 10.1002/jor.20850

Table 2.

Results from Histomorphometry

	Percentage Tissue Ongrowth				Percentage Tissue Volume in the Gap (0–750 μm)
	Bone	Fibrous Tissue	Bone Marrow	Cartilage	Bone	Fibrous Tissue	Bone Marrow	Cartilage
HA Control	27 (16–37)	65 (43–87)^*	7 (−6–21)	1 (0–2)	18 (12–24)	51 (30–73)^***	29 (8–49)	2 (0–4)
HA Crack	41 (33–48)^*	9 (−6–24)	51 (36–65)^**	0 (0–0)	22 (19–24)	10 (−2–34)	66 (51–81)^****	2 (−2–6)

Data is presented as mean and 95% confidence interval.

^*

p=0.001;

^**

p=0.002;

^***

p=0.008;

^****

p=0.01.