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Table 6 Survival rate of patients with gastric cancer stratified by age and stage during 2002–2003 in Shanghai, China

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

Age (years) Stage* N Observed survival rate [% (95% CI)]
1 year 2 years 3 years 4 years 5 years
35-44 I 44 95 (83–99) 88 (74–95) 86 (72–94) 81 (66–91) 81 (66–91)
  II 77 89 (79–95) 76 (65–85) 72 (60–81) 69 (57–79) 69 (57–79)
  III 80 71 (60–80) 51 (40–62) 41 (30–53) 36 (26–48) 32 (22–43)
  IV 95 22 (14–32) 12 (7–21) 5 (2–12) 4 (1–11) 3 (1–9)
45-54 I 127 98 (93–100) 93 (87–97) 87 (80–92) 83 (75–89) 82 (74–88)
  II 221 89 (84–93) 74 (68–80) 68 (61–74) 61 (54–67) 59 (52–65)
  III 244 74 (68–79) 52 (46–58) 43 (37–49) 39 (33–45) 36 (30–42)
  IV 264 33 (27–39) 20 (15–25) 18 (14–23) 15 (11–20) 14 (10–19)
55-64 I 126 90 (83–94) 86 (78–91) 82 (74–88) 80 (72–86) 78 (70–85)
  II 225 80 (74–85) 70 (63–76) 62 (55–68) 59 (52–65) 56 (49–63)
  III 243 60 (54–66) 40 (34–46) 32 (26–38) 27 (22–33) 26 (21–32)
  IV 242 35 (29–41) 17 (13–22) 12 (8–17) 9 (6–14) 9 (6–14)
65-74 I 207 87 (81–91) 76 (69–82) 69 (62–75) 67 (60–73) 64 (57–70)
  II 354 75 (70–79) 61 (56–66) 52 (47–57) 49 (44–54) 45 (40–50)
  III 469 61 (56–65) 43 (38–48) 32 (28–36) 29 (25–33) 27 (23–31)
  IV 492 29 (25–33) 16 (13–20) 11 (8–14) 9 (7–12) 7 (5–10)
75-84 I 82 77 (66–85) 57 (46–68) 45 (34–56) 37 (27–48) 31 (22–42)
  II 175 70 (63–77) 50 (42–58) 36 (29–44) 31 (24–39) 26 (20–33)
  III 276 46 (40–52) 26 (21–32) 21 (16–26) 18 (14–23) 17 (13–22)
  IV 345 21 (17–26) 12 (9–16) 9 (6–13) 6 (4–9) 5 (3–8)
  1. *Cases with unknown stages were not involved in the analysis.