Table 2 SUVmax values as a predictor of mediastinal malignancy

SUVmax tumor

11.4 (SD 5.3)

0.98 (0.92-1.04)

0.469

SUVmax mediastinum

3.9 (IQR 2.4 - 7.0)

1st Q (reference)

2nd Q

3rd Q

4th Q

1

0.67 (0.22-2.01)

4.44 ( 1.49-13.26)

18.00 (4.38-74.01)

0.471

0.007

<0.001

\( \frac{\mathrm{SUVmax}\kern0.5em \mathrm{Mediastinum}}{\mathrm{SUVmax}\kern0.62em \mathrm{Tumor}} \)

0.4 (IQR 0.1 - 0.7)

1st Q (reference)

2nd Q

3rd Q

4th Q

1

1.06 (0.36-3.14)

3.89 (1.35-11.21)

18.52 (4.42-77.60)

0.919

0.012

<0.001

SUVmax Mediastinum

minus

SUVmax Tumor

[-6.1] (IQR [-11.7] – [-2.0])

1st Q (reference)

2nd Q

3rd Q

4th Q

1

2.58 (0.88-7.54)

3.57 (1.17-10.04)

23.15 (6.00-95.71)

0.083

0.016

<0,001