Table 1 Analysis of time trends in 10-year survival rates in 1973–1999 by cohort, period, and mixed analysis

From: Combining cohort and period methods for retrospective time trend analyses of long-term cancer patient survival rates

 

Cohort analysis

Period analysis

Mixed analysis

Calendar year

Year of diagnosis

Survival experience

Year of diagnosis

Survival experience

Cohort analysis a

Period analysis a

1973

1973

1973–1983

  

1–10

 

1974

1974

1974–1984

  

1–10

 

1975

1975

1975–1985

  

1–10

 

1976

1976

1976–1986

  

1–10

 

1977

1977

1977–1987

  

1–10

 

1978

1978

1978–1988

  

1–10

 

1979

1979

1979–1989

  

1–10

 

1980

1980

1980–1990

  

1–10

 

1981

1981

1981–1991

  

1–10

 

1982

1982

1982–1992

  

1–10

 

1983

1983

1983–1993

1973–1983

1983

1–10

 

1984

1984

1984–1994

1974–1984

1984

1–10

 

1985

1985

1985–1995

1975–1985

1985

1–10

 

1986

1986

1986–1996

1976–1986

1986

1–10

 

1987

1987

1987–1997

1977–1987

1987

1–10

 

1988

1988

1988–1998

1978–1988

1988

1–10

 

1989

1989

1989–1999

1979–1989

1989

1–10

 

1990

  

1980–1990

1990

1–9

10

1991

  

1981–1991

1991

1–8

9–10

1992

  

1982–1992

1992

1–7

8–10

1993

  

1983–1993

1993

1–6

7–10

1994

  

1984–1994

1994

1–5

6–10

1995

  

1985–1995

1995

1–4

5–10

1996

  

1986–1996

1996

1–3

4–10

1997

  

1987–1997

1997

1–2

3–10

1998

  

1988–1998

1998

1

2–10

1999

  

1989–1999

1999

 

1–10

  1. aEach column contains the range of years after diagnosis for which survival estimates were contributed by either cohort or period analysis; the cohort analysis part is derived from the cohort of patients diagnosed in the calendar year given in the leftmost column, whereas the period analysis part refers to survival experience in the calendar year 1999 in all cases.
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