Table 4 Relation between SUVmax and histopathological criteria of tumor

Side

Right

13.43

5.27

2.28*

0.04

Left

7.60

3.51

Site

Upper lobe

11.33

5.59

0.86*

0.40

Middle/lower lobe

14.00

5.03

Histopathological grade

Grade 2

7.22^a

2.77

18.80**

 < 0.001

Grade 3

15.33^b

3.06

Grade 4

16.43^b

3.64

Histopathology

Adenocarcinoma

12.44

5.34

1.00*

0.33

Other types

9.00

6.24

T staging

T1/T2

6.14

1.95

6.07*

 < 0.001

T3/T4

15.25

3.65

LN

Negative

8.44

4.19

3.23*

0.01

Positive

15.00

4.62

M staging

M0

9.18

4.77

3.09*

0.01

M1

15.63

4.07

Pathological stage

1a3

6.00^a

2.10

12.42**

0.001

3a

13.00^b

4.24

4b

15.63^b

4.07

Grade (cell diff)

Low (well differentiated)

6.25^a

2.36

10.61**

0.001

Intermediate (moderately differentiated)

5.50^a

2.12

High (poorly differentiated)

14.62^b

4.17