Table 1.
Patient Characteristics
| N =7,978 | ||
|---|---|---|
| Chemotherapy rate | 56.6% | |
| Stages | ||
| 1 | 19.2% | |
| 2 | 7.3% | |
| 3 | 33.8% | |
| 4 | 30.4% | |
| Unknown | 9.3% | |
| Age (years) | ||
| 65–69 | 23.7% | |
| 70–74 | 26.3% | |
| 75–79 | 22.8% | |
| 80–84 | 15.1% | |
| 85+ | 12.2% | |
| Race | ||
| White | 90.4% | |
| Black | 6.2% | |
| Other | 3.5% | |
| Education | ||
| Less than high school degree | 18.5% | |
| High school degree | 26.6% | |
| Some college | 28.1% | |
| College | 26.7% | |
| Household income | $ 43,451 | |
| SEER site | ||
| San Francisco | 9.7% | |
| Connecticut | 12.5% | |
| Detroit | 15.9% | |
| Hawaii | 1.8% | |
| Iowa | 14.2% | |
| New Mexico | 3.6% | |
| Seatle | 11.5% | |
| Utah | 5.2% | |
| Atlanta | 5.7% | |
| San Jose | 4.7% | |
| Los Angeles | 15.3% | |
| HRR characteristics | Mean | Standard deviation |
| Population density (square miles per pop) | 0.84 | 0.71 |
| Population (millions) | 3.20 | 3.19 |
| Hospitals (n) | 37.57 | 23.68 |
| Physicians (per 1,000 population) | 2.28 | 0.67 |
| Oncologists (per 1,000 physician) | 6.15 | 1.41 |
| Oncology facilities (per hospital) | 0.56 | 0.20 |
| HMO penetration (%) | 31.6 | 14.0 |
| Teaching hospitals (per SEER hospital) | 0.41 | 0.15 |
HMO, health maintenance organization; HRR, health referral region; SEER, Surveillance, Epidemiology, and End Results.