Novel ideas for the comprehensive evaluation of varus knee osteoarthritis: radiological measurements of the morphology of the lateral knee joint

Table 2 Comparison between groups

	Knee OA group	No-knee OA group	t/χ² value	P value
Age	67.82 ± 6.31	61.42 ± 8.35	−8.992	< 0.001
Sex
Male	300 (0.33)	77 (0.47)	1.626	n.s
Female	609 (0.67)	86 (0.53)
BMI (kg/m²)	27.18 ± 3.27	25.81 ± 2.62	−5.721	< 0.001
LPW (mm)	5.1 ± 2.1	1.9 ± 1.1	−28.562	< 0.001
PFC (10^–5 × mm⁻¹)	16.1 ± 9.9	5.3 ± 2.8	−26.386	< 0.001
FH (mm)	17.5 ± 2.3	21.8 ± 1.6	28.866	< 0.001
MPTA (°)	84.28 ± 2.69	87.41 ± 1.41	21.210	< 0.001
JLCA (°)	5.95 ± 2.63	0.88 ± 0.45	−52.073	< 0.001
HKAA (°)	9.95 ± 4.89	2.51 ± 1.55	−35.439	< 0.001

OA osteoarthritis, BMI body mass index, LPW lateral plateau widening, PFC proximal fibula curvature, FH fibular head height, MPTA medial proximal tibial angle, JLCA joint line convergence angle, HKAA hip–knee–ankle angle; n.s., P > 0.05

ISSN: 1749-799X