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Table 2 Survival rate of patients with gastric cancer in different regions during 2002–2003 in Shanghai, China

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

Area Sex N Observed survival rate [% (95% CI)] Relative survival rate [% (95% CI)] Median survival (years)
1 year 2 years 3 years 4 years 5 years 1 year 2 years 3 years 4 years 5 years
  Total 10909 51 (50–52) 37 (36–38) 31 (30–32) 28 (27–29) 26 (25–27) 55 (54–56) 41 (40–42) 35 (34–36) 32 (31–33) 30 (29–31) 1.09
Whole city Male 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) 1.06
  Female 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) 1.14
  χ2*   1.05 2.14 6.29 10.09 6.42 - - - - -  
  P*   0.305 0.144 0.012 0.001 0.011 - - - - -  
Urban Total 5139 52 (51–53) 38 (37–39) 32 (31–33) 28 (27–29) 26 (25–27) 56 (55–57) 42 (41–43) 36 (35–37) 33 (32–34) 31 (30–32) 1.13
  Male 3270 51 (49–53) 37 (35–39) 30 (28–32) 27 (25–29) 25 (24–27) 55 (53–57) 41 (39–43) 35 (33–37) 32 (30–34) 31 (29–33) 1.07
  Female 1869 53 (51–55) 40 (38–42) 34 (32–36) 31 (29–33) 28 (26–30) 58 (56–60) 45 (43–47) 39 (37–41) 36 (34–38) 33 (31–35) 1.24
  χ2*   2.02 6.67 6.29 8.65 3.77 - - - - -  
  P   0.155 0.010 0.012 0.003 0.052 - - - - -  
Suburb Total 5770 51 (50–52) 36 (35–37) 30 (29–31) 27 (26–28) 26 (25–27) 54 (53–55) 39 (38–40) 33 (32–34) 31 (30–32) 30 (29–31) 1.05
  Male 3768 51 (49–53) 37 (35–39) 30 (29–32) 27 (26–28) 25 (24–26) 54 (52–56) 40 (38–42) 33 (32–35) 31 (30–33) 29 (28–31) 1.05
  Female 2002 51 (49–53) 36 (34–38) 31 (29–33) 29 (27–31) 27 (25–29) 55 (53–57) 39 (37–41) 35 (33–37) 33 (31–35) 31 (29–33) 1.05
  χ2*   0.01 0.21 1.11 2.48 2.70 - - - - -  
  P*   0.954 0.645 0.292 0.115 0.100 - - - - -  
  1. *Log rank test was used to compare the survival rates between males and females.