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Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Sensitivity (Sens), specificity (Spec), accuracy, PPV, and NPV of PET/CT in initial staging in 21 malignant melanoma cases

From: PET/CT in restaging, prognosis, and recurrence in patients with malignant melanoma

 

Malignant melanoma

Chi-square

TP

TN

FP

FN

Total

χ2

FEP value

PET/CT

n

15

3

2

1

21

5.915*

0.041*

%

71.42

14.38

9.52

4.78

100

ROC

PET/CT

Sens

Spec

PPV

NPV

Accuracy

 

93.33

60

88.23

75

85.71

  1. TP true +ve, FN false −ve, TN true –ve, FP false +ve, PPV positive predictive value, NPV negative predictive value, χ2 chi-square test, FE Fisher Exact, P P value for comparing between the two studied groups
  2. *Significant
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