Table 4 Single factor analysis of local recurrence after cardiac cancer surgery

Gender

0.671

 Male

42/146

28.8

 Female

29/110

26.4

Age

0.939

 <55

20/73

27.4

 >55

51/183

27.9

Histological classification

0.005

 Well differentiation

6/49

12.2

 Moderate differentiation

11/51

21.6

 Low differentiation (including signet ring cell carcinoma)

54/156

34.6

Vascular tumor emboli

0.641

 With

22/85

25.9

 Without

49/171

28.7

T staging

<0.001

 T1

1/7

14.3

 T2

16/102

15.7

 T3

31/112

27.7

 T4

23/35

65.9

N staging

0.022

 N0

3/22

13.6

 N1

30/128

23.4

 N2

27/84

32.1

 N3

11/22

50.0

TNM clinical staging

0.014

 Ib

3/21

14.3

 II

16/78

20.5

 III

39/131

29.8

 IV(M0)

13/26

50.0