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Table 3 Liver elasticity changes, measured before and after biliary drainage

From: Liver elasticity assessment after biliary drainage in patients with extrahepatic cholestasis by shear wave sono-elastography (SWE)

Liver elasticity

Baseline

At day 2

At day 7

p value (Friedman test)

Average elasticity

   

< 0.001

Mean ± SD

8.44 ± 3.02

6.82 ± 2.77

4.80 ± 1.80

 

Median (IQR)

8.06 (4.73)

5.30 (4.40)

4.10 (2.0)

 

Min–max

3.7–15.7

3.0–14.2

2.2–9.0

 

Median elasticity

   

< 0.001

Mean ± SD

7.83 ± 2.74

6.56 ± 2.66

4.62 ± 1.78

 

Median (IQR)

7.60 (4.30)

5.0 (4.70)

4.20 (2.30)

 

Min–max

3.2–15.0

3.2–14.0

2.0–8.6

 
 

No

(%)

No

(%)

No

(%)

p value (Friedman test)

Staging of liver stiffness

      

< 0.0001*

Normal

4

5.0

18

22.5

50

62.5

 

Normal-mild

10

12.5

28

35.0

14

17.5

 

Mild-moderate

52

65.0

32

40.0

16

20.0

 

Moderate-severe

14

17.5

2

2.5

0

0.0

 
  1. *Maxwell test