Skip to main content

Table 4 Multilinear regression analysis for evaluating the association between hip abductor strength and clinical and radiological parameters on the affected side

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

   Regression coefficient Standardized regression coefficient P value Variance inflation factor
Forced Entry Method Muscle volume of the GMED 0.28 0.52 0.07 6.63
Adjusted CT density of the GMED 0.93 0.32 0.18 4.95
CSA of the GMED −0.003 −0.05 0.85 5.96
CT density of the GMED 0.37 0.13 0.59 4.8
Age 0.37 0.14 0.24 1.16
Sex −11.1 −0.15 0.35 2.44
BMI 0.95 0.13 0.34 1.48
LLD 0.71 0.28 0.09 2.31
Femoral offset 0.42 0.08 0.55 1.49
KL grade −1.91 −0.04 0.77 1.46
Final model Muscle volume of the GMED 0.3 .54 <0.001 1.29
Adjusted CT density of the GMED 1.13 .39 0.005 1.65
LLD 0.81 .32 0.014 1.43
  1. GMED gluteus medius, CSA cross-sectional area, RD radiological density, BMI body mass index, LLD leg length discrepancy, KL Kellgren and Lawrence