Mean surface roughness (Ra, Rp and Rv) of tibial components articulating against cobalt chrome and PEEK-OPTIMA™ femoral components (n=3) after 3 million cycles testing under intermediate kinematics and 3 million cycles of testing under high kinematics.				
Data presented in Table 2 of the manuscript.					
					
INTERMEDIATE KINEMATICS					
Ra					
	cobalt chrome			PEEK-OPTIMA™	
SAMPLE	Pre-test	Post-test		Pre-test	Post-test
1	0.476	0.384		0.473	0.469
2	0.565	0.357		0.548	0.439
3	0.525	0.317		0.464	0.467
					
					
Rp					
	cobalt chrome			PEEK-OPTIMA™	
SAMPLE	Pre-test	Post-test		Pre-test	Post-test
1	1.71	1.245		1.729	1.42
2	1.943	1.022		1.943	1.137
3	1.912	1.037		1.723	1.285
					
					
Rv					
	cobalt chrome			PEEK-OPTIMA™	
SAMPLE	Pre-test	Post-test		Pre	Post-test
1	1.534	1.432		1.354	1.366
2	1.602	1.152		1.61	1.695
3	1.516	1.0135		1.392	1.744
					
					
					
					
HIGH KINEMATICS					
Ra					
	cobalt chrome			PEEK-OPTIMA™	
SAMPLE	Pre-test	Post-test		Pre-test	Post-test
1	0.384	0.327		0.469	0.709
2	0.357	0.267		0.439	0.789
3	0.317	0.3		0.467	0.518
					
					
Rp					
	cobalt chrome			PEEK-OPTIMA™	
SAMPLE	Pre-test	Post-test		Pre-test	Post-test
1	1.245	0.885		1.42	1.826
2	1.022	0.683		1.137	2.049
3	1.037	0.886		1.285	1.844
					
					
Rv					
	cobalt chrome			PEEK-OPTIMA™	
SAMPLE	Pre-test	Post-test		Pre	Post-test
1	1.432	0.593		1.366	0.938
2	1.152	0.589		1.695	0.998
3	1.0135	0.455		1.744	0.863