EJNMMI Research

Table 2 Diagnostic performances of the radiomics model and visual assessment by nuclear medicine radiologists

From: Development and validation of ⁶⁸Ga-PSMA-11 PET/CT-based radiomics model to detect primary prostate cancer

Cohort	Training set	Test set
Category	Radiomics	Radiomics	Reader	P value
AUC (95% CI)	0.95 (0.91, 0.99)	0.85 (0.73, 0.97)	0.63 (0.47, 0.79)	0.036
Sensitivity (95% CI)	0.82 (0.70, 0.90)	0.84 (0.63, 0.95)	0.74 (0.53, 0.88)	0.002
Specificity (95% CI)	1.00 (0.84, 1.00)	0.77 (0.46, 0.94)	0.55 (0.25, 0.82)	0.508
PPV (95% CI)	1.00 (0.91, 1.00)	0.88 (0.67, 0.97)	0.80 (0.59, 0.92)	< 0.001
NPV (95% CI)	0.70 (0.53, 0.84)	0.71 (0.42, 0.90)	0.46 (0.20, 0.74)	0.754

AUC, Area under curve; PPV, positive predictive value; NPV, negative predictive value

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