Table 3 Sensitivity, specificity, positive and negative predictive value for the presence of esophageal varices using gall bladder wall thickness (GBWT) ≥4 mm, spleen length (≥130 mm), ascites, thrombocytes (< 160.000/μl) and Child-Pugh classification
Parameter | GBWT (≥4 mm) | Spleen (≥130 mm) | Thrombocytes (< 160.000/μl) | Ascites | Child-Pugh B or C |
|---|---|---|---|---|---|
Sensitivity | 46% | 62% | 69% | 44% | 50% |
Specificity | 89% | 81% | 78% | 94% | 92% |
Positive predictive value | 70% | 67% | 64% | 82% | 78% |
Negative predictive value | 73% | 78% | 81% | 74% | 76% |