Table 3 Cause-specific survival rates after one year of follow-up as predicted by the lognormal model compared with the actuarial results as calculated by the Kaplan-Meier method
(A) | Radiation and Surgery: | |||||
Cause-specific survival rate (%) | ||||||
Method | Year | 10 y | 15 y | 20 y | 25 y | C × 100% |
Lognormal | 1978 | 74 | 73 | 72 | 72 | 72 |
KM | 1999 | 74 ± 3 | 72 ± 3 | 72 ± 3 | 72 ± 3 | -- |
(B) | Radiation alone: | |||||
Cause-specific survival rate (%) | ||||||
Method | Year | 10 y | 15 y | 20 y | 25 y | C × 100% |
Lognormal | 1978 | 71 | 69 | 68 | 68 | 67 |
KM | 1999 | 71 ± 3 | 68 ± 3 | 68 ± 3 | 68 ± 3 | -- |
(C) | Surgery alone: | |||||
Cause-specific survival rate (%) | ||||||
Method | Year | 10 y | 15 y | 20 y | 25 y | C × 100% |
Lognormal | 1978 | 74 | 70 | 67 | 65 | 61 |
KM | 1999 | 77 ± 3 | 72 ± 3 | 68 ± 3 | 66 ± 4 | -- |