Assay performance as a function of infection status, excluding data for contaminantsa

Assay resultNo. of subjects in which infection was:No. of subjects with the following blood culture result:
Blood culture positive660
Blood culture negative19743
PCR positive5304013
PCR negative2104326227
Blood culture and/or PCR positive790
Blood culture and PCR negative18443
  • a Blood culture and PCR results are presented separately, followed by performance of a combined blood culture and PCR strategy. The performance of PCR versus that of blood culture as the reference standard is also presented.