Table 2.
Estimates of life expectancy and mortality reduction from cancer screening at ages 75, 80, and 85 y: A) Breast, B) cervical, and C) colorectal cancer.
| A) | |||||
|---|---|---|---|---|---|
| TASK FORCE RECOMMENDATIONS8 | AGE, Y | ESTIMATES TO FACILITATE SHARED DECISION MAKING* | |||
|
| |||||
| PERCENTILE | LIFE EXPECTANCY, Y | RESIDUAL LIFETIME RISK OF DYING OF BREAST CANCER, DEATHS PER 1000 | MORTALITY REDUCTION FOR BREAST CANCER BY SCREENING, DEATHS PER 1000 | ||
| Breast cancer (for 1000 women) | 75 | 25th | 6.8 | 9 | < 1 |
| 50th | 11.9 | 18 | 3 | ||
| Median life expectancy in Canada 13.2 y | |||||
| No recommendation for women aged ≥ 75 y | 75th | 17 | 28 | 5 | |
|
| |||||
| 80 | 25th | 4.6 | 7 | NA† | |
| 50th | 8.6 | 15 | 2 | ||
| Median life expectancy in Canada 10.1 y | |||||
| 75th | 13 | 24 | 4 | ||
|
| |||||
| 85 | 25th | 2.9 | 6 | NA† | |
| 50th | 5.9 | 12 | < 1 | ||
| Median life expectancy in Canada 7.4 y | |||||
| 75th | 9.6 | 19 | 2 | ||
| B) | |||||
|---|---|---|---|---|---|
| TASK FORCE RECOMMENDATIONS8 | AGE, Y | ESTIMATES TO FACILITATE SHARED DECISION MAKING* | |||
|
| |||||
| PERCENTILE | LIFE EXPECTANCY, Y | RESIDUAL LIFETIME RISK OF DYING OF CERVICAL CANCER, DEATHS PER 10 000 | MORTALITY REDUCTION FOR CERVICAL CANCER SCREENING, DEATHS PER 10 000 | ||
| Cervical cancer (for 10 000 women) | 75 | 25th | 6.8 | 7 | 1 |
| 50th | 11.9 | 12 | 4 | ||
| Median life expectancy in Canada 13.2 y | |||||
| For women aged ≥ 70 y who have been adequately screened we recommend that routine screening cease (weak recommendation; low-quality evidence) | 75th | 17 | 19 | 8 | |
|
| |||||
| 80 | 25th | 4.6 | 5 | NA† | |
| 50th | 8.6 | 10 | 3 | ||
| Median life expectancy in Canada 10.1 y | |||||
| 75th | 13 | 15 | 6 | ||
|
| |||||
| 85 | 25th | 2.9 | 4 | NA† | |
| 50th | 5.9 | 7 | < 1 | ||
| Median life expectancy in Canada 7.4 y | |||||
| 75th | 9.6 | 12 | 3 | ||
| C) | |||||
|---|---|---|---|---|---|
| TASK FORCE RECOMMENDATIONS8 | AGE, Y | ESTIMATES TO FACILITATE SHARED DECISION MAKING* | |||
|
| |||||
| PERCENTILE | LIFE EXPECTANCY, Y | RESIDUAL LIFETIME RISK OF DYING OF COLORECTAL CANCER, DEATHS PER 1000 | MORTALITY REDUCTION FOR COLORECTAL CANCER SCREENING WITH GUAIAC FOBT, DEATHS PER 1000 | ||
| Colorectal cancer (for 1000 women or men) | 75 (women) | 25th | 6.8 | 9 | < 1 |
| 50th | 11.9 | 19 | 2 | ||
| Median life expectancy in Canada 13.2 y | |||||
| We recommend not screening adults aged ≥ 75 y (weak recommendation; low-quality evidence) | 75th | 17 | 33 | 5 | |
|
| |||||
| 75 (men) | 25th | 4.9 | 8 | NA† | |
| 50th | 9.3 | 19 | 2 | ||
| Median life expectancy in Canada 10.2 y | |||||
| 75th | 14.2 | 35 | 5 | ||
|
| |||||
| 80 (women) | 25th | 4.6 | 8 | NA† | |
| 50th | 8.6 | 18 | 2 | ||
| Median life expectancy in Canada 10.1 y | |||||
| 75th | 13 | 30 | 4 | ||
|
| |||||
| 80 (men) | 25th | 3.3 | 8 | NA† | |
| 50th | 6.7 | 18 | 1 | ||
| Median life expectancy in Canada 7.7 y | |||||
| 75th | 10.8 | 32 | 3 | ||
|
| |||||
| 85 (women) | 25th | 2.9 | 8 | NA† | |
| 50th | 5.9 | 16 | < 1 | ||
| Median life expectancy in Canada 7.4 y | |||||
| 75th | 9.6 | 25 | 2 | ||
|
| |||||
| 85 (men) | 25th | 2.2 | 8 | NA† | |
| 50th | 4.7 | 16 | NA† | ||
| Median life expectancy in Canada 5.4 y | |||||
| 75th | 7.9 | 27 | 2 | ||