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Table 4 Sensitivity, specificity, positive (PPV) and negative (NPV) predictive values, and accuracy for each of the tests are shown.

From: Diagnosis of periprosthetic infection following total hip arthroplasty – evaluation of the diagnostic values of pre- and intraoperative parameters and the associated strategy to preoperatively select patients with a high probability of joint infection

  Aspiration Intraoperative
Cultures
Histopathology C-reactive
protein
White
blood-
cell
count
Sensitivity 0.57 0.78 0.95 0.95 0.14
Specificity 0.5 0.92 0.92 0.62 0.92
PPV 0.78 0.96 0.97 0.88 0.83
NPV 0.29 0.63 0.86 0.80 0.29
Accuracy 0.54 0.82 0.94 0.86 0.34