Fig. 4From: Nomogram prediction of surgical site infection of HIV-infected patients following orthopedic surgery: a retrospective studyThe ROC of the model from observed data (nomogram) was 0.946. The cutoff score was − 2.1026 with a sensitivity of 93.33% and a specificity of 84.88%. ROC: Receiver Operating Characteristic; AUC: Area under curveBack to article page