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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.