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Table 7 Diagnostic accuracy of CESM in the whole study cohort versus the result of biopsy or follow-up as the gold standard for lesion classification

From: Contrast-enhanced spectral mammography: successful initial clinical institute experience

Lesion classification by SMG

Final diagnosis

 

Malignant

Benign

Total

Probably malignant (BIRADS 4–6)

84

8

92

Probably benign (BIRADS 1–3)

2

29

31

Total

86

37

123

Statistic

Value

Lower bound (95%)

Upper bound (95%)

Correct classification

92%

87%

97%

Misclassification

8%

3%

13%

Sensitivity

98%

91%

100%

Specificity

78%

62%

89%

False positive rate

22%

9%

34%

False negative rate

2%

0%

5%

Prevalence

70%

62%

78%

Positive predictive value (PPV)

91%

86%

97%

Negative predictive value (NPV)

94%

85%

100%

Positive likelihood ratio (LR+)

4.52

2.44

8.35

Negative likelihood ratio (LR−)

0.03

0.01

0.12

Relative risk

14.15

4.30

46.57

Odds ratio

152.25

34.97

662.91

  1. Data in cross-tables are counts