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Egyptian Liver Journal

Table 3 Comparison and agreement of GAVE detection between WLE and VIST versus pathology as the gold standard

From: The classification of gastric antral vascular ectasia in cirrhotic patients by Versatile Intelligent Staining Technology

 

Pathology results

Sp (%)

Sn (%)

FPR

FNR

McNemar

p

Kappa measure of agreement

Negative biopsy (N = 22)

Positive biopsy (N = 28)

(−ve)

Endoscopy

(+ve)

Endoscopy

(−ve)

Endoscopy

(+ve)

Endoscopy

WLE

21

1

26

2

95.5

7.1

4.5

92.9

<.001*

K.023, p.701

VIST

13

9

5

23

59.1

82.1

40.9

17.9

.424

K.421, p.035*

  1. McNemar test for comparing proportion between VIST and pathology results
  2. WLE white light endoscopy, VIST Versatile Intelligent Staining Technology, Sp specificity, Sn sensitivity, FPR false positive rate, FNR false negative rate, K Kappa Measure of agreement, *: statistically significant where p value≤ 0.05
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