Table 7.

Comparison of patient demographics and wear rates among three wear groups

Variable	Group 1	Group 2	Mean difference	Standard error	95% CI	p Value	Bonferroni p value
Age (years)	Low	Moderate	3.27	2.62	−1.96 to 8.50	0.217	1.000
	Low	High	5.36	2.92	−0.47 to 11.20	0.071	0.851
	High	Moderate	−2.10	2.84	−7.76 to 3.56	0.462	1.000
Height (m)	Low	Moderate	−0.035	0.023	−0.082 to 0.011	0.137	1.000
	Low	High	−0.033	0.026	−0.085 to 0.019	0.214	1.000
	High	Moderate	−0.002	0.025	−0.053 to 0.048	0.922	1.000
Weight (N)	Low	Moderate	−36.3	43.6	−123 to 51	0.408	1.000
	Low	High	−84.0	48.6	−181 to 13	0.088	1.000
	High	Moderate	47.7	47.1	−46 to 142	0.315	1.000
Linear wear rate (mm/year)	Low	Moderate	−0.088	0.010	−0.11 to −0.07	0.000	0.000
	Low	High	−0.207	0.0	−0.23 to −0.19	0.000	0.000
	High	Moderate	0.119	0.0	0.10–0.14	0.000	0.000