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

Table 7 Multiple linear regression of patient-reported outcome measures PROMS (KSS total-post and WOMAC pain-post) at 2 years after surgery

Variables	Multiple linear regression
	KSS total-post			WOMAC pain-post
	β	95% CI	p	β	95% CI	p
Tibial component coverage (mm)
Medial	−1.502	−2.500 to −0.505	0.004	0.172	0.011 to 0.334	0.036
Lateral
Anterior
KSS score
KSS total-pre	0.233	0.124 to 0.341	< 0.001	−0.023	−0.040 to −0.005	0.011

CI confidence interval; tibial component coverage, over-hang: positive value, under-hang: negative value; KSS score, the Knee Society score; WOMAC score, the Western Ontario and McMaster Universities Osteoarthritis index score

ISSN: 1749-799X