Table 1: Distribution of tumor grades according to groups.

 

 

Nodule (+)

Nodule (-)

Tumor grade

1

N

8

27

%

29.6%

25.5%

2

N

12

46

%

44.4%

43.4%

3

N

5

22

%

18.5%

20.8%

4

N

2

11

%

7.4%

10.4%

Total

N

27

106

%

100.0%

100.0%