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 RECOMMENDATIONS8AGE, YESTIMATES TO FACILITATE SHARED DECISION MAKING*
PERCENTILELIFE EXPECTANCY, YRESIDUAL LIFETIME RISK OF DYING OF BREAST CANCER, DEATHS PER 1000MORTALITY REDUCTION FOR BREAST CANCER BY SCREENING, DEATHS PER 1000
Breast cancer (for 1000 women)7525th6.89< 1
50th11.9183
Median life expectancy in Canada 13.2 y
No recommendation for women aged ≥ 75 y75th17285
8025th4.67NA
50th8.6152
Median life expectancy in Canada 10.1 y
75th13244
8525th2.96NA
50th5.912< 1
Median life expectancy in Canada 7.4 y
75th9.6192
B)
TASK FORCE RECOMMENDATIONS8AGE, YESTIMATES TO FACILITATE SHARED DECISION MAKING*
PERCENTILELIFE EXPECTANCY, YRESIDUAL LIFETIME RISK OF DYING OF CERVICAL CANCER, DEATHS PER 10 000MORTALITY REDUCTION FOR CERVICAL CANCER SCREENING, DEATHS PER 10 000
Cervical cancer (for 10 000 women)7525th6.871
50th11.9124
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)75th17198
8025th4.65NA
50th8.6103
Median life expectancy in Canada 10.1 y
75th13156
8525th2.94NA
50th5.97< 1
Median life expectancy in Canada 7.4 y
75th9.6123
C)
TASK FORCE RECOMMENDATIONS8AGE, YESTIMATES TO FACILITATE SHARED DECISION MAKING*
PERCENTILELIFE EXPECTANCY, YRESIDUAL LIFETIME RISK OF DYING OF COLORECTAL CANCER, DEATHS PER 1000MORTALITY REDUCTION FOR COLORECTAL CANCER SCREENING WITH GUAIAC FOBT, DEATHS PER 1000
Colorectal cancer (for 1000 women or men)75 (women)25th6.89< 1
50th11.9192
Median life expectancy in Canada 13.2 y
We recommend not screening adults aged ≥ 75 y (weak recommendation; low-quality evidence)75th17335
75 (men)25th4.98NA
50th9.3192
Median life expectancy in Canada 10.2 y
75th14.2355
80 (women)25th4.68NA
50th8.6182
Median life expectancy in Canada 10.1 y
75th13304
80 (men)25th3.38NA
50th6.7181
Median life expectancy in Canada 7.7 y
75th10.8323
85 (women)25th2.98NA
50th5.916< 1
Median life expectancy in Canada 7.4 y
75th9.6252
85 (men)25th2.28NA
50th4.716NA
Median life expectancy in Canada 5.4 y
75th7.9272
  • FOBT—fecal occult blood test, NA—not applicable.

  • * Adapted from Statistics Canada9 and Walter and Covinsky.7

  • No mortality reduction is expected.