Relative mortality during different periods after diagnosis by years of diagnosis
| Year of diagnosis | Mortality (%) by time of diagnosis | ||
|---|---|---|---|
| 0–3 months | 4–12 months | >1–5 years | |
| 1978–1981 | 11.1 | 15.1 | 41.4 |
| 1982–1985 | 8.1 | 11.0 | 29.9 |
| 1986–1989 | 6.1 | 9.3 | 29.4 |
| 1990–1991 | 6.3 | 9.6 | |
Relative mortality = 1−relative survival.