Table 2:

Diagnostic indices of US diagnoses for the resected nodules

Solid Nodules (n = 451)PCTNs (n = 54)
Exclusion of Borderline US Diagnosis (%)Inclusion of Borderline US Diagnosis into Benign Category (%)Inclusion of Borderline US Diagnosis into Malignant Category (%)
Sensitivity230/267 (86.1)230/296 (77.7)259/296 (87.5)12/18 (66.7)
Specificity126/140 (90)141/155 (91.0)126/155 (81.2)32/36 (88.9)
PPV230/244 (94.3)230/244 (94.3)259/288 (89.9)12/16 (75.0)
NPV126/163 (77.3)141/207 (68.1)126/163 (77.3)32/38 (84.2)
Accuracy356/407 (87.5)371/451 (82.3)385/451 (85.4)44/54 (81.5)
  • Note:—PPV indicates positive predictive value; NPV, negative predictive value.