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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