Table 1 Correlation between E2F8 expression and clinical characteristics(n = 64)

Age at diagnosis(years)

0.2093

  ≤ 45

20

15

  > 45

12

17

Sex

0.2661

 Male

11

7

 Female

21

25

Location

0.4334

 Left lobe

15

11

 Right lobe

13

19

 Bilateral

3

1

 Isthmus

1

1

Focus type

0.0696

 Unifocal

22

28

 Multifocal

10

4

Tumor size

0.0025^a

 T1-T2

24

12

 T3-T4

8

20

Lymph node status

0.0244^a

 N0

20

11

 N1

12

21

Tumor stage

0.0166^a

 I-II

26

17

 III-IV

6

15