. Author manuscript; available in PMC: 2010 Feb 25.

Published in final edited form as: Osteoarthritis Cartilage. 2004 Dec;12(12):947–955. doi: 10.1016/j.joca.2004.08.009

Table 2.

Summary of frictional results from articular surface vs deep zone. Last column shows p value of Surface vs Deep zone. p-value for surface vs deep appears in the first row for μ_min and second row for μ_eq

	Surface			Deep
	h[mm]	μ_min	μ_eq	h[mm]	μ_min	μ_eq	p value
Experiment 3 22.2 N	1.96 ±0.24	.003 ±.0012	0.152 ±0.013	1.96 ±0.24	.023 ±.021	0.060 ±0.023	p<0.01 p<0.001