Table 4
Relative mortality during different periods after diagnosis by year of diagnosis
Mortality (%) by period of diagnosis
Year of diagnosis
0–3 months
4–60 months
Relative mortality=1−relative survival.
1976–1979
25.9
41.4
1981–1983
21.4
37.6
1984–1987
16.0
32.0
1988–1991
13.3
27.8
1992–1995
14.8
32.7
1996–1998
12.9
–