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Egyptian Journal of Radiology and Nuclear Medicine

Table 5 Shows the cut-off values of different variables including the size of the tumor, SUVmax of the tumor, and TLR used to differentiate between AC and SCC demonstrating the diagnostic performance of these cut-off values

From: FDG-PET/CT tumor to liver SUV ratio (TLR), tumor SUVmax, and tumor size: can this help in differentiating squamous cell carcinoma from adenocarcinoma of the lung?

Variable

Best cut-off value

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

Accuracy (%)

LR+

LR−

Size (Max diameter)

7.55

75

76.47

69.23

81.25

75.86

3.19

0.33

SUVmax (Lesion)

15.45

75

72.22

64.29

81.25

73.33

2.7

0.35

TLR

9.49

75

77.78

69.23

82.35

76.67

3.38

0.32

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