Tibial component coverage affects tibial bone resorption and patient-reported outcome measures for patients following total knee arthroplasty

Table 6 Multiple linear regression of tibial bone resorption at 2 years after surgery

Variables	Multiple linear regression
	Tibial bone resorption (mm)
	Medial			Lateral			Anterior
	β	95% CI	p	β	95% CI	p	β	95% CI	p
BMI (kg/m²)	0.127	0.002 to 0.256	0.054	−0.008	−0.152 to 0.137	0.917	−0.039	−0.149 to 0.071	0.489
Tibial component coverage (mm)
Medial	−0.296	−0.478 to −0.115	0.002
Lateral				−0.261	−0.500 to −0.022	0.032
Anterior							−0.196	−0.420 to 0.028	0.086

CI confidence interval; BMI body mass index; tibial component coverage, over-hang: positive value, under-hang: negative value

ISSN: 1749-799X