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Insights into Imaging

Table 4 Influence of various patient characteristics on the variability of measurements estimated as the absolute difference between the first liver stiffness measurement and the mean of 3 liver stiffness measurements. Multivariable logistic regression analysis predicting the upper tertile of variability

From: 2D-shear wave elastography: number of acquisitions can be reduced according to clinical setting

Variable

Odds ratio

Lower 95% CI

Upper 95% CI

Z value

P value

Age ≥ 50 years

0.966

0.486

1.919

− 0.099

0.9212

BMI ≥ 25 kg/m2

3.405

1.788

6.483

3.729

0.0002

Etiology

 Viral versus alcohol

0.371

0.149

0.921

− 2.137

0.0326

 Other versus alcohol

0.651

0.235

1.808

− 0.823

0.4103

AST ≥ 50 (IU/L)

0.910

0.466

1.774

− 0.278

0.7812

Bilirubin ≥ 20 (µmol/L)

2.069

1.005

4.257

1.974

0.0484

LSM ≥ 7.1 kPa

3.928

1.583

9.744

2.951

0.0032

  1. AST aspartate aminotransferase, BMI body mass index, LSM liver stiffness measurement
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