Table 1.
Characteristics of the Incident and Decedent Cohorts, by Type of Cancer
| Breast Cancer | Prostate Cancer | Lung Cancer | Colorectal Cancer | |||||
|---|---|---|---|---|---|---|---|---|
| Incident Cohort (N = 52,279) | Decedent Cohort (N = 10,262) | Incident Cohort (N = 74,480) | Decedent Cohort (N = 10,523) | Incident Cohort (N = 68,010) | Decedent Cohort (N = 54,305) | Incident Cohort (N = 44,026) | Decedent Cohort (N = 20,088) | |
| Age | ||||||||
| <65 years | 8.0% | 8.0% | 6.2% | 4.7% | 9.6% | 9.6% | 6.8% | 6.5% |
| >=65 years | 92.0% | 92.0% | 93.8% | 95.3% | 90.4% | 90.4% | 93.2% | 93.5% |
| Mean (SD) | 74.2 (9.0) | 77.7 (10.1) | 72.6 (6.9) | 76.6 (8.0) | 73.8 (8.2) | 74.1 (8.4) | 76.4 (9.2) | 78.1 (9.5) |
| Racea | ||||||||
| White | 86.6% | 84.3% | 81.2% | 80.2% | 85.7% | 85.3% | 84.8% | 84.0% |
| Black | 8.7% | 12.5% | 11.7% | 14.7% | 9.6% | 10.0% | 9.4% | 10.9% |
| Asian | 3.8% | 2.6% | 3.4% | 3.2% | 4.2% | 4.2% | 5.0% | 4.4% |
| Other | 0.9% | 0.6% | 3.7% | 1.9% | 0.5% | 0.5% | 0.9% | 0.6% |
| Ethnicity | ||||||||
| Hispanic | 6.6% | 6.0% | 9.9% | 8.0% | 4.9% | 4.9% | 7.2% | 6.8% |
| Sex | ||||||||
| Female | 99.0% | 98.5% | 0% | 0% | 47.4% | 45.4% | 52.3% | 51.8% |
| Male | 1.0% | 1.5% | 100% | 100% | 52.6% | 54.6% | 47.7% | 48.2% |
| Stage at Diagnosisb | ||||||||
| Stage I | 51.1% | 25.8% | 0.2% | 0.3% | 21.2% | 12.1% | 25.4% | 15.7% |
| Stage II | 31.8% | 31.6% | 87.0% | 71.9% | 4.6% | 3.8% | 28.7% | 21.3% |
| Stage III | 10.5% | 18.9% | 6.4% | 3.2% | 26.9% | 28.1% | 26.0% | 25.7% |
| Stage IV | 6.5% | 23.7% | 6.4% | 24.6% | 47.4% | 56.0% | 19.9% | 37.3% |
a
Race categories were defined to be mutually exclusive.
b
Patients with unstaged or stage 0 cancer were excluded. Stage I and II prostate cancers were grouped as a single category because the SEER registry frequently classifies them together as localized disease (20).