Table 3 The patient characteristics of three lines

Sex

1.000

 Female

22

23

13

58

 Male

15

14

8

37

Age (year)

55.38

53.32

56.10

57.74

0.176

Age

0.836

 under 55 years

18

19

12

49

 over 55 years

19

18

9

46

ECOG score

0.961

 0

15

16

8

39

 1

20

18

12

50

 2

2

3

1

6

Diabetes

0.926

 0

33

32

19

84

 1

4

5

2

11

Smoke

0.632

 0

27

29

14

70

 1

10

8

7

25

Drink

0.300

 0

28

32

19

79

 1

9

5

2

16

Jaundice

0.428

 0

32

35

18

85

 1

5

2

3

10

Number of metastatic sites

0.482

 0

1

1

2

4

 1

17

18

5

40

 More than 1

19

18

14

51

Liver metastasis

0419

 0

9

7

2

18

 1

28

30

19

77

Peritoneum metastasis

0.816

 0

25

26

13

64

 1

12

11

8

31

Lymph node metastatic

0.890

 0

24

22

14

60

 1

13

15

7

35

CA199

0.871

 Normal

9

11

5

25

Abnormal

28

26

16

70

Primary site

0.357

Head, body, or head and body

20

26

13

59

Tail

17

11

8

36

Ampulla

0

0

0

0