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. 2013 Aug 7;6:83–86. doi: 10.2147/IDR.S47161

Table 3A.

Characteristics associated with the procalcitonin measurement for prediction of urinary tract infection

Sensitivity (%) Specificity (%) PPV (%) NPV (%)
PCT (ng/mL)
 ≥0.50 45.7 84.8 76.2 59.6
 ≥2.0 56.5 82.2 61.9 78.7

Abbreviations: PCT, procalcitonin; PPV, positive predictive value; NPV, negative predictive value.