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Table 3 Test performance of binding to the produced antibodies immobilized in SPR system in comparison to conventional ulcer secretion cultures

From: In vitro model of production of antibodies; a new approach to reveal the presence of key bacteria in polymicrobial environments

SPR/culture False positive (SPR) True positive (culture) False negative (SPR) True negative (culture) Total
Staphylococcus aureus 0 7 1 16 24
Enterococcus fecalis 2 1 0 21 24
  1. Sensitivity for Staphylococcus aureus was 87.5 %, specificity 100 %, PPV 100 % and NPV 94 %. Sensitivity for Enterococcus fecalis was 100 %, specificity 91.3 %, PPV 33.3 % and NPV 100 %