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Table 1 The comparison of median survival time in different subgroups

From: The prognostic significance of human epidermal growth factor receptor family protein expression in operable pancreatic cancer

Variable

Number (%)

Median survival time (months)

Standard error (months)

P value

Sex

   

0.144

 Male

28 (40.0)

11.93

3.98

 

 Female

42 (60.0)

16.64

6.11

 

Age

   

0.059

 < 60 y

34 (48.6)

49.18

16.69

 

 ≥ 60 y

36 (51.4)

13.38

2.64

 

Tumor family history

   

0.795

 Yes

5 (7.1)

11.21

0.68

 

 No

65 (92.9)

16.64

4.38

 

Smoking history

   

0.591

 Yes

13 (18.6)

17.23

11.98

 

 No

57 (81.4)

15.88

4.18

 

Drinking history

   

0.902

 Yes

7 (10.0)

17.22

7.88

 

 No

63 (90.0)

15.88

4.41

 

Tumor location

   

0.256

 Head

45 (64.3)

13.38

1.92

 

 Body + tail

25 (35.7)

17.23

5.21

 

Stump cancer

   

0.000

 Yes

6 (8.6)

4.87

0.73

 

 No

64 (91.4)

17.69

8.53

 

Differentiation

   

0.000

 Lower

17 (24.3)

9.34

2.91

 

 Higher

53 (75.7)

33.21

18.47

 

Pathology type

   

0.001

 Adenocarcinoma

53 (75.7)

13.38

1.68

 

 Non-adenocarcinoma

17 (24.2)

49.18

1.02

 

T stage

   

0.188

 T1 + T2

34 (48.6)

22.32

11.19

 

 T3 + T4

36 (51.4)

12.07

2.20

 

N stage

   

0.007

 N0

39 (55.7)

34.65

13.76

 

 N1

31 (44.3)

11.57

0.79

 

M stage

   

0.092

 M0

62 (88.6)

17.23

5.86

 

 M1

8 (11.4)

7.66

4.67

 

CA19-9

   

0.000

 < 1200 U/ml

57 (81.4)

32.88

9.20

 

 > 1200 U/ml

13 (18.6)

10.59

3.29