CT-based analysis of muscle volume and degeneration of gluteus medius in patients with unilateral hip osteoarthritis

Table 3 Univariate regression analysis for evaluating the association between hip abductor strength and clinical and radiological parameters on the affected side

	Regression coefficient	Standardized regression coefficient	P value
Muscle volume of the GMED	0.34	0.62	<0.001
Adjusted CT density of the GMED	1.36	0.47	0.001
CSA of the GMED	0.04	0.56	<0.001
CT density of the GMED	1.46	0.50	<0.001
Age	−0.04	−0.02	0.91
Sex	29.8	0.42	0.003
BMI	2.31	0.31	0.03
LLD	−0.17	−0.07	0.65
Femoral offset	0.32	0.06	0.68
KL grade	−0.01	0.02	0.31

GMED gluteus medius, CSA cross-sectional area, RD radiological density, BMI body mass index, LLD leg length discrepancy, KL Kellgren and Lawrence

ISSN: 1471-2474