Development and validation of a machine learning-derived radiomics model for diagnosis of osteoporosis and osteopenia using quantitative computed tomography

Table 2 Diagnostic performance of clinical, radiomics and combined clinical-radiomic model

Group	Model	Accuracy	Sensitivity	Specificity	PPV	NPV
Training	Clinics	0.78	0.90	0.56	0.79	0.76
Test	Clinics	0.74	0.88	0.51	0.74	0.72
Training	Radiomics	0.90	0.93	0.89	0.76	0.97
Test	Radiomics	0.94	0.92	0.95	0.86	0.97
Training	Combined clinical-radiomics	0.89	0.99	0.72	0.87	0.96
Test	Combined clinical-radiomics	0.90	0.98	0.75	0.88	0.96

ISSN: 1471-2342