Journal of Experimental Orthopaedics

Table 2 Histomorphometric results of Control 2 vs nHA High, SD standard deviation, IQR interquartile range

From: Accelerated bone growth, but impaired implant fixation in allograft bone mixed with nano-hydroxyapatite - an experimental study in 12 canines

	New bone mean % (SD)	Fibrous tissue median % (IQR)	Bone graft mean % (SD)
Implant surface
Control 2	18 (6.5)	1 (0–8)	1 (1.1)
nHA High	26 (7.9)	3 (0–5)	1 (0.6)
t-test	*p = 0.011*		p = 0.56
Wilcoxon		p = 0.97
Inner gap (0–500 μm)
Control 2	25 (7.3)	1 (0–5)	7 (3.6)
nHA High	31 (7.1)	0 (0–6)	8 (4.1)
t-test	*p = 0.048*		p = 0.48
Wilcoxon		p = 0.72
Outer gap (500–2000 μm)
Control 2	20 (5.2)	0 (0–1)	14 (4.7)
nHA High	29 (6.2)	0 (0–1)	16 (4.6)
t-test	*p = 0.001*		p = 0.197
Wilcoxon		p = 0.48

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