High femoral anteversion in osteoarthritic knees, particularly for severe valgus deformity

Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Stepwise regression analysis and Pearson correlation analysis of the anterior femoral trochlea morphology for OA patients

Morphology of femoral anterior trochlea	Parameter	Regression analysis		Correlation analysis
Morphology of femoral anterior trochlea	Parameter	Standardized β	p value*	r	p value^#
Sulcus angle	tFA	0.201	0.002	0.201	0.002
Lateral trochlea slope	tFA	− 0.144	0.028	− 0.144	0.028
Medial trochlea slope	tFA	− 0.150	0.02	− 0.169	0.009
Medial trochlea slope	MTA	0.162	0.012	0.180	0.006

MTA mechanical tibiofemoral angle, tFA femoral anteversion based on the clinical transepicondylar axis
*The parameter is assumed to contribute statistically significantly to the variation of the anterior femoral trochlea morphology (p < 0.05), based on stepwise regression analysis
^#The parameter is assumed to correlate statistically significantly to the variation of the anterior femoral trochlea morphology (p < 0.05), based on Pearson correlation analysis