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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