Table 3.

Diagnostic performance of morphological features discriminating malignant from benign PNSTs

Morphological Feature	AUC	95% CI	Sensitivity	Specificity
Shape	0.52	0.42–0.61	21% (12–33)	82% (71–90)
Margin definition	0.55	0.45–0.64	91% (82–97)	18% (10–29)
Intratumoral lobulation	0.53	0.43–0.63	88% (78–95)	18% (10–29)
Intratumoral heterogeneity	0.53	0.43–0.63	24% (14–36)	71% (71–90)
Intratumoral cystic changes	0.56	0.46–0.66	94% (85–98)	18% (10–29)
Target sign	0.58	0.49–0.68	34% (23–47)	82% (71–90)
Peritumoral edema	0.50	0.40–0.60	18% (10–29)	82% (71–90)

Values in parentheses are 95% CIs.