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Table 4 Sensitivity and specificity for ultrasound decision in relation to the histopathological results

From: The diagnostic value of ultrasonography in detection of different types of thyroid nodules

Ultrasound decision Histopathology Sensitivity Specificity PPV NPV Accuracy
Benign (n = 34) Malignant (n = 16)
No. % No. %
Non-suspicious 32 94.1 0 0.0 100.0 94.12 88.89 100.0 96.0
Suspicious 2 5.9 16 100
χ2(p) 41.830a (< 0.001a)
  1. NPV negative predictive value, PPV positive predictive value, c2 chi-square test, p p value for comparing between the studied groups
  2. aStatistically significant at p ≤ 0.05