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Table 3 Performance of the DMEI, DPE and culture of cardiac native valves

From: Direct microscopic examination of imprints in patients undergoing cardiac valve replacement

  sensitivity specificity PPV NPV
DMEI 21% 100% 100% 60%
DPE 66% 90% 84% 76%
culture 21% 69% 36% 51%
  1. DMEI = direct microscopic examination of imprints, DPE = direct pathological examination, PPV = positive predictive value, NPV = negative predictive value