Encoding Scratch and Scrape Features for Wear Modeling of Total Joint Replacements

Table 1

Scratch lip heights on samples displaying scratch damage.

Femoral head	Number of scratch segments	Average scratch segment length (mm)	Scratch lip height (μm)
			Mean ± SD	Min	Max
1	101	0.59	1.72 ± 0.95	0.08	4.75
2	71	0.41	1.73 ± 0.46	0.56	2.48
4	172	0.91	2.31 ± 1.29	0.32	7.01
5	430	0.58	2.76 ± 1.73	0.07	9.75
6	211	1.03	1.64 ± 0.40	1.01	2.87
7	62	0.76	1.70 ± 1.13	0.62	5.38
9	190	0.87	2.39 ± 0.81	0.94	4.38