Table 2.

The clinical model, radiomics signature, and radiomics nomogram for patients with LAC and LTB in training and validation sets.

Group	Model	AUC curve (95% CI)	Accuracy	Sensitivity	Specificity	PPV	NPV
Training set	Clinical model	0.92 (0.88–0.95)	0.8500	0.9612	0.6923	0.8158	0.9265
	Radiomics signature	0.99 (0.98–1.00)	0.9727	0.9706	0.9737	0.9429	0.9867
	Radiomics nomogram	1.00 (0.98–1.00)	0.9772	0.9868	0.9565	0.9803	0.9706
Validation set	Clinical model	0.91 (0.86–0.97)	0.7849	0.9245	0.6000	0.7538	0.8571
	Radiomics signature	0.99 (0.98–1.00)	0.9462	0.9643	0.9385	0.8710	0.9839
	Radiomics nomogram	0.99 (0.98–1.00)	0.9570	0.9841	0.9000	0.9538	0.9643

AUC curve, the area under receiver operating characteristic curve; CI, confidence interval; LAC, lung adenocarcinoma; LTB, lung tuberculoma; PPV, positive predictive value; NPV, negative predictive value.