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Table 5 Sensitivity, specificity, positive and negative predictive value and area under the curve (AUC) for the presence of EV using the combination of platelet count/GBWT ratio (> 46.2), and platelet count/spleen diameter 909 as described by Giannini et al. [7]

From: Gall bladder wall thickening as non-invasive screening parameter for esophageal varices – a comparative endoscopic – sonographic study

Parameters Platelet count/GBWT (> 46.2) Th/Spleen (< 909)
Sensitivity 78% 63%
Specificity 86% 87%
Positive predictive value 76% 75%
Negative predictive value 87% 80%
Area under the curve 0.864 (CI 0.809–0.919) 0.841 (CI 0.782–0.901