Table 5 0.5-, 1-, 2-, 3- and 4-year cause-specific survival (CSS) rates, in percentages, estimated by Kaplan-Meier method compared with those estimated by lognormal model [in square brackets] with 95% confidence intervals (in round brackets).

1975–77

81(76.2–85.7), [84](79.0–88.9)

70(64.5–75.4), [66](60.8–71.1)

49(45.1–52.8), [44](40.5–47.4)

33(30.4–35.5), [32](29.4–34.5)

28(25.8–30.1), [25](23.0–26.9)

1978–80

89(83.7–94.2), [89](83.7–94.2)

79(74.3–83.6), [73](68.7–77.2)

52(47.9–56.0), [51](47.0–54.9)

38(35.0–40.9), [38](35.0–40.9)

28(25.8–30.1), [30](27.6–32.3)

1981–83

89(85.5–92.4), [90](86.4–93.5)

81(76.2–85.7), [76](71.5–80.4)

58(53.4–62.5), [55](50.6–59.3)

41(37.7–44.2), [43](39.6–46.3)

32(29.4–34.5), [35](32.2–37.7)

1984–86

90(86.4–93.5), [90](86.4–93.5)

77(72.4–81.5), [74](69.6–78.3)

53(48.8–57.1), [51](47.0–54.9)

38(35.7–40.2), [39](36.7–41.2)

30(28.2–31.7), [31](29.1–32.8)

1987–89

91(87.4–94.5), [91](87.4–94.5)

80(75.2–84.7), [77](72.4–81.5)

54(50.8–57.1), [53](49.8–56.1)

41(38.5–43.4), [40](37.6–42.3)

31(29.1–32.8), [32](30.1–33.8)

1990–92

91(87.4–94.5), [90](86.4–93.5)

77(73.9–80.0), [77](73.9–80.0)

54(50.8–57.1), [57](53.6–60.3)

43(40.4–45.5), [45](42.3–47.6)

37(34.8–39.1), [37](34.8–39.1)

1993–95

91(89.2–92.7), [92](90.1–93.8)

79(75.9–82.0), [79](75.9–82.0)

58(55.7–60.2), [56](53.8–58.1)

44(41.4–46.5), [42](39.5–44.4)

36(34.5–37.4), [34](32.6–35.3)