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. 2006 May 4;124(3):141–144. doi: 10.1590/S1516-31802006000300006

Table 3. Sensitivity, specificity, positive and negative predictive value for the diagnosis of spontaneous bacterial peritonitis in 42 cirrhotic patients (100 paracenteses) by using the Combur Test® UX reagent strip.

Variable Number Value
Sensitivity 12/12 100%
Specificity 87/88 98.9%
Positive predictive value 12/13 92.3%
Negative predictive value 87/87 100%