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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 - yes

Varices – no

Row total

 

Model – yes

33

4

37

PPV = 89.2%

Model – no

4

13

17

NPV = 76.5%

Column total

37

17

  
 

Sensitivity = 89.2%

Specificity = 76.5%

  
  1. PPN Positive predictive value, NPV Negative predictive value
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BMC Gastroenterology

ISSN: 1471-230X

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