Table 3.

Maximum wear rates per month [μm]

	Time	N	Mean	SD	Median	95% CI	IQR
LS2	1 year	24	36.13	22.55	31.99	26.61/45.65	12.09
	2 years	24	19.88	14.33	15.66	13.83/25.93	7.24
COMP	1 year	21	76.03	42.91	72.32	56.50/95.56	58.37
	2 years	18	45.06	23.27	38.86	33.49/56.63	23.50