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Table 4 Values of models in predicting persistent infection before reimplantation

From: Can we rely on the combination of serological tests and frozen sections at the time of reimplantation for two-stage exchange hip arthroplasty in patients with a “dry tap”?

  Model 1 Model 2 Model 3 Model 4
AUC 0.709 0.697 0.669 0.668
95% CI lower 0.557 0.529 0.532 0.486
95% CI upper 0.852 0.847 0.807 0.832
Best threshold − 1.252 − 0.644 − 2.071 − 1.792
Sensitivity 57.1% 42.9% 66.7% 63.6%
Specificity 88.0% 96.4% 81.8% 81.3%
Positive predictive value 44.4% 66.7% 26.5% 33.3%
Negative predictive value 92.4% 90.9% 96.2% 93.9%
  1. AUC area under ROC curve, CI confidential interval