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Table 2 Analysis of US and endoscopic grading of portal vein gastropathy findings in the two study groups

From: Role of plasma von Willebrand factor antigen in prediction of esophageal varices in pediatric and adolescent patients with portal hypertension

 

Groups

Test of significance

No varices (N = 10)

Varices (N = 37)

Liver size by US

 Large

4

40%

21

56.8%

χ2 = 2.006

P = 0.104

 Moderate

1

10%

4

10.8%

 Normal

5

40%

12

32.4%

Spleen size by US

 Markedly enlarged

2

20%

33

89.2%

χ2 = 9.352

P < 0.001*

 Moderate enlarged

5

50%

3

8.1%

 Normal

3

30%

1

2.7%

Endoscopic grading of portal vein gastropathy

 Mild

7

70%

8

21.6%

χ2 = 5.631

P = 0.035*

 Moderate

2

20%

16

43.2%

 Severe

1

10%

13

35.1%

Endoscopic grading of varices

 Grade 1

–

5

13.5%

 

 Grade 2

–

12

32.4%

 

 Grade 3

–

14

37.8%

 

 Grade 4

–

6

16.2%

 
  1. Categorical data expressed as number (%)
  2. P probability
  3. χ2 = chi-square test
  4. *Statistically significant (p < 0.05)