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Table 7 Comparison of survival rate of patients with gastric cancer from 1972 to 2003 in Shanghai, China

From: The survival and the long-term trends of patients with gastric cancer in Shanghai, China

Sex

Year

N

Observed survival rate [% (95% CI)]

Relative survival rate [% (95% CI)]

1 year

2 years

3 years

4 years

5 years

1 year

2 years

3 years

4 years

5 years

Male

1972-1976

8287

40 (39–41)

22 (21–23)

15 (14–16)

12 (11–13)

10 (9–11)

41 (40–42)

24 (23–25)

17 (16–18)

13 (12–14)

12 (11–13)

 

1980-1984

9484

40 (39–41)

26 (25-270

21 (20–23)

18 (17–19)

16 (15–17)

41 (40–42)

28 (27–29)

23 (22–24)

20 (19–21)

19 (18–20)

 

1988-1991

8134

42 (41–43)

29 (28–30)

24 (23–25)

22 (21–23)

20 (19–21)

44 (43–45)

31 (30–32)

27 (26–28)

25 (24–26)

24 (23–25)

 

2002-2003

7038

51 (50–52)

37 (36–38)

30 (29–31)

27 (26–28)

25 (24–26)

54 (53–55)

40 (39–41)

34 (33–35)

31 (30–32)

30 (29–31)

 

χ2*

 

135.90

266.87

378.96

444.63

485.62

-

-

-

-

-

 

P *

 

<0.001

<0.001

<0.001

<0.001

<0.001

-

-

-

-

-

Female

1972-1976

3860

38 (36–40)

20 (19–21)

14 (13–15)

11 (10–12)

10 (9–11)

39 (38–41)

21 (20–22)

15 (14–16)

12 (11–13)

11 (10–12)

 

1980-1984

4507

38 (37–39)

24 (23–25)

19 (18–20)

17 (16–18)

15 (14–16)

38 (37–39)

25 (24–26)

20 (19–21)

18 (17–19)

17 (16–18)

 

1988-1991

4224

39 (38–40)

27 (26–28)

22 (21–23)

20 (19–21)

19 (18–20)

40 (39–42)

28 (27–29)

24 (23–25)

23 (22–24)

22 (21–23)

 

2002-2003

3871

52 (50–54)

38 (36–40)

32 (31–34)

30 (29–31)

27 (26–28)

56 (54–58)

42 (40–44)

37 (36–39)

34 (33–36)

32 (31–34)

 

χ2*

 

154.65

277.26

308.62

344.42

316.50

-

-

-

-

-

 

P *

 

<0.001

<0.001

<0.001

<0.001

<0.001

-

-

-

-

-

  1. *Logrank test was used to compare the survival rates.