Sensitivity, specificity, positive predictive value, and negative predictive value for the different cutoffs used. Sensitivity, specificity, positive predictive.

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Sensitivity, specificity, positive predictive value, and negative predictive value for the different cutoffs used. Sensitivity, specificity, positive predictive value, and negative predictive value for the different cutoffs used. The positive group represents patients with endocarditis due to either C. burnetii (n = 30) or Bartonella sp. (n = 20). The negative group comprises 40 apparently healthy blood donors, 99 patients with blood culture-positive endocarditis of known etiology, 15 patients with cat scratch disease, 15 patients with acute Q fever, and 25 patients seropositive for bacterial or viral diseases not related to Bartonella or Coxiella species. J. M. Rolain et al. Clin. Diagn. Lab. Immunol. 2003; doi:10.1128/CDLI.10.6.1147-1148.2003