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Table 4 Diagnostic evaluation of CRP, ESR and Frozen section at re-implantations

From: The proper timing of second-stage revision in treating periprosthetic knee infection: reliable indicators and risk factors

CRP 40% (13.7–72.6%) 88.7% (78.5–94.7%) 33.3% (11.3–64.6%) 91.3% (81.3–96.4%) 82.70% 0.732 0.29
ESR 50% (20.1–80.0%) 84.5% (73.5–91.6%) 31.3% (12.1–58.5%) 92.3% (82.2–97.1%) 80.20% 0.688 0.35
FS 90% (54.1–99.5%) 83.1% (71.9–90.6%) 42.3% (22.6–65.6%) 98.3% (89.9–99.9%) 84.00% 0.843 0.73
  1. PPV positive predictive value, NPV negative predictive value, AUC area under the curve