Table 5.

Diagnostic Performance of Diverse Models in Discriminating Between IMA and INMA in SPNs ≤3 cm.

Model	Cohorts	AUC	Accuracy	Sensitivity	Specificity	Precision	Recall	F1
Clinical	Training	0.760	0.641	0.844	0.622	0.172	0.844	0.256
	Test	0.777	0.741	0.778	0.736	0.269	0.778	0.4
Radiomicsa	Training	0.829	0.835	0.719	0.846	0.303	0.719	0.426
	Test	0.846	0.660	0.944	0.625	0.239	0.944	0.382
Combined	Training	0.847	0.867	0.656	0.887	0.351	0.656	0.457
	Test	0.857	0.796	0.833	0.792	0.334	0.833	0.476

Abbreviation: SPN solitary pulmonary nodules, IMA invasive mucinous adenocarcinoma, LADC lung adenocarcinoma, AUC area under the curve, INMA invasive non-mucinous adenocarcinomas.

^aRepresents models were constructed using support vector machine (SVM).