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Table 6 Model prediction versus presence and absence of OV

From: Percentage of small platelets on peripheral blood smear and Child-Turcott-Pugh class can predict the presence of oesophageal varices in newly diagnosed patients with cirrhosis: development of a prediction model for resource limited settings

 Varices - yesVarices – noRow total 
Model – yes33437PPV = 89.2%
Model – no41317NPV = 76.5%
Column total3717  
 Sensitivity = 89.2%Specificity = 76.5%  
  1. PPN Positive predictive value, NPV Negative predictive value