Table 3 The sensitivity, specificity, positive predictive value, and negative predictive value of the detection of MDM2 protein overexpression by immunohistochemistry compared with MDM2 amplification by FISH

From: Can MDM2 analytical tests performed on core needle biopsy be relied upon to diagnose well-differentiated liposarcoma?

 

MDM2 amplification by FISH

MDM2 protein overexpression by immunohistochemistry

 

Resection (%)

Biopsy (%)

Combined (%)

Resection (%)

Biopsy (%)

Combined (%)

Sensitivity

94

100

96

88

65

76

Specificity

100

100

100

97

89

93

PPV

100

100

100

94

73

84

NPV

97

100

98

95

85

90

  1. NPV, negative predictive value; PPV, positive predictive value.