Intratumoral and peritumoral MRI-based radiomics prediction of histopathological grade in soft tissue sarcomas: a two-center study

Table 3 Performance of LASSO models in train and validation cohort

Model	Sensitive	Specificity	Accuracy	PPV	NPV
Train cohort
Model_TMV	0.79	0.72	0.76	0.75	0.76
Model_PTV	0.80	0.73	0.77	0.77	0.76
Model_TM-PTV	0.89	0.81	0.86	0.84	0.88
Validation cohort
Model_TMV	0.64	0.81	0.71	0.82	0.63
Model_PTV	0.68	0.86	0.76	0.86	0.67
Model_TM-PTV	0.72	0.95	0.82	0.95	0.70

ISSN: 1470-7330