Is end-stage lateral osteoarthritic knee always valgus? Mechanical alignment analysis and radiographic severity assessment

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 1 Correlation coefficient between radiologic mismatch and other factors

	Pearson’s correlation coefficient	p value
Age, years	0.096	0.29
Sex, M/F	0.014	0.88
Body mass index, kg/m²	−0.058	0.58
Mechanical axis angle, °	−0.486	<0.01
Tibia vara angle, °	0.196	0.12
Tibial slope angle, °	0.109	0.23
Lateral compartment joint space width at extension, mm	0.286	<0.01
Medial compartment joint space width at extension, mm	−0.129	0.14
Lateral compartment joint space width at flexion, mm	0.002	0.98
Medial compartment joint space width at extension, mm	0.152	0.08