A predictive nomogram for surgical site infection in patients who received clean orthopedic surgery: a retrospective study

Table 4 Performance of the nomogram model and NNIS system for predicting surgical site infection in the validation cohort

	Negative predictive value	Positive predictive value	Specificity	Sensitivity	Accuracy	Precision	Recall
Nomogram model	0.944	0.250	0.739	0.667	0.731	0.250	0.667
NNIS system	0.895	0.167	0.837	0.250	0.769	0.167	0.250

ISSN: 1749-799X