Refixation of Osteochondral Fractures by an Ultrasound-Activated Pin System – An Ovine In Vivo Examination Using CT and Scanning Electron Microscope

Table 2.: Arithmetic mean p-Values of statistical comparison of the margin of lysis by CT-scans including standard deviation.

	SonicPin™	Ethipin®	Asnis™-Screws
SonicPin™	--	p=0.0064 (axial) p = 0.0058 (multiplanar)	p=0.12 (axial) p = 0.15 (multiplanar)
Ethipin®	p = 0.0064 (axial) p = 0.0058 (multiplanar)	--	p = 0.0075 (axial) p = 0.0023 (multiplanar)
Asnis™-Screws	p = 0.12 (axial) p = 0.15 (multiplanar)	p = 0.0075 (axial) p = 0.0023 (multiplanar)	--