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Table 5 Ebus sensitivity and negative predictive value according to FDG-PET results

From: FDG-PET parameters predicting mediastinal malignancy in lung cancer

 

SUV Cut-off

Tumor size

n

Mediastinal malignancyat EBUS

EBUS-NA

Sensitivity

EBUS-NA

NPV

Mediastinal malignancy

at EUS-NA or mediastinoscopy

Mediastinal malignancy

at systematic nodal dissection

SUVmax mediastinum

≤4

≤3 cm

22

4 (18.2%)

57.1%

83.3%

0 (0%)

3 (13.6%)

≤4

>3 cm

41

8 (19.5%)

61.5%

84.8%

1 (2,4%)

4 (9.7%)

>4

all

58

41 (70.7%)

87.2%

64.7%

5 (8.6%)

1 (1.7%)

\( \frac{\mathrm{SUVmax}\kern0.5em \mathrm{mediastinum}}{\mathrm{SUVmax}\kern0.62em \mathrm{tumor}} \)

≤0.4

≤3 cm

15

4 (26.7%)

66.7%

81.8%

0 (0%)

2 (13.3%)

≤0.4

>3 cm

45

10 (22.2%)

76.9%

91.4%

1 (2.2%)

2 (2.2%)

>0.4

all

61

39 (63.9%)

84.8%

68.2%

5 (8.2%)

2 (3.3%)