Table I.
Life table to compare crude with pure risk of breast cancer.
| Age at start of interval (years) | # At risk | # Incident breast cancers | # Deaths from other causes |
|---|---|---|---|
| 60 | 1000 | 17 | 44 |
| 65 | 939 | 20 | 63 |
| 70 | 856 | 22 | 89 |
| 75 | 745 | . . . . | . . . . |
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