Skip to main content
. 2023 Nov 3;23:426. doi: 10.1186/s12890-023-02732-w

Fig. 3.

Fig. 3

The ROC curve of the logistic model including 4 variables of pack-years > 20, CEA, Interval distribution 1 and Interval distribution 2 is shown, with an AUC of 0.776 (95% CI: 0.682–0.870). The sensitivity of this model was 90.2% and the specificity was 52.1%