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Insights into Imaging

Table 2 US-based fat fraction values according to hepatic steatosis grades

From: Inter-platform reproducibility of ultrasound-based fat fraction for evaluating hepatic steatosis in nonalcoholic fatty liver disease

 

S0 (n = 4)

S1 (n = 13)

S2 (n = 20)

S3 (n = 4)

p value

Post hoc analysis

S0 vs. S1

S1 vs. S2

S2 vs. S3

UDFF (%) (Siemens)

4.3 ± 1.0

7.3 ± 2.3

14.6 ± 6.0

23.5 ± 4.4

< 0.001

> 0.999

0.001

0.007

USFF (%) (Samsung)

4.1 ± 1.9

6.5 ± 3.8

12.8 ± 3.8

20.9 ± 3.4

< 0.001

> 0.999

< 0.001

0.001

  1. UDFF, ultrasound-derived fat fraction (Siemens Healthineers); USFF, quantitative ultrasound-derived estimated fat fraction (Samsung Medison)
  2. p values were calculated using one-way analysis of variance with Bonferroni post hoc analysis
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