Table 2.
Relationship between patient factors and treatment intensity
| SEER 13 | SEER 17 | |||||||
|---|---|---|---|---|---|---|---|---|
| Treatment Intensity | Adjusted* OR (95% CI) | Treatment Intensity | Adjusted* OR (95% CI) | |||||
| Low | Med | High | High vs. Low | Low | Med | High | High vs. Low | |
| Number of Patients | 4257 | 4256 | 4270 | 4062 | 4061 | 4074 | ||
| Age | ||||||||
| 65–69 | 32.1 | 33.4 | 34.5 | 1.0 | 32.9 | 32.4 | 34.7 | 1.0 |
| 70–74 | 31.0 | 34.1 | 34.9 | 0.99 (0.85, 1.15) | 30.9 | 33.7 | 35.4 | 1.09 (0.93, 1.27) |
| 75–79 | 31.3 | 33.6 | 35.1 | 0.97 (0.83, 1.20) | 31.3 | 33.8 | 34.9 | 1.08 (0.93, 1.26) |
| 80–84 | 33.9 | 33.8 | 32.3 | 0.81 (0.69, 0.94) | 34.3 | 32.5 | 33.2 | 0.88 (0.75, 1.04) |
| 85+ | 41.2 | 30.7 | 28.1 | 0.54 (0.46, 0.64) | 39.0 | 33.5 | 27.5 | 0.59 (0.50, 0.71) |
| Gender | ||||||||
| Male | 33.4 | 32.9 | 33.7 | 1.0 | 33.4 | 33.2 | 33.4 | 1.0 |
| Female | 33.1 | 34.4 | 32.5 | 1.02 (0.92, 1.14) | 33.1 | 33.6 | 33.3 | 1.08 (0.97, 1.20) |
| Race | ||||||||
| White | 33.3 | 33.5 | 33.2 | 1.0 | 33.1 | 33.4 | 33.5 | 1.0 |
| Black | 30.0 | 27.5 | 42.5 | 1.21 (0.92, 1.59) | 36.9 | 27.3 | 35.8 | 0.90 (0.69, 1.18) |
| Other | 38.6 | 33.2 | 28.2 | 0.74 (0.54, 1.03) | 35.3 | 35.3 | 29.4 | 0.84 (0.63, 1.14) |
| Socio- economic status | ||||||||
| Low | 32.4 | 31.6 | 36.0 | 1.0 | 33.0 | 33.5 | 33.5 | 1.0 |
| Medium | 33.1 | 33.9 | 33.0 | 0.99 (0.88, 1.12) | 34.5 | 33.1 | 32.4 | 1.00 (0.89, 1.12) |
| High | 34.3 | 34.3 | 31.4 | 0.97 (0.85, 1.09) | 32.5 | 33.3 | 34.2 | 1.20 (1.06, 1.36) |
| Modified Charlson Index | ||||||||
| 0 | 32.7 | 33.3 | 34.0 | 1.0 | 31.9 | 33.5 | 34.6 | 1.0 |
| 1 | 33.2 | 33.7 | 33.1 | 0.96 (0.86, 1.08) | 32.9 | 33.8 | 33.3 | 0.94 (0.84, 1.06) |
| 2 | 35.4 | 32.8 | 31.8 | 0.89 (0.74, 1.06) | 37.4 | 33.8 | 28.8 | 0.72 (0.61, 0.86) |
| 3+ | 40.6 | 32.3 | 27.1 | 0.59 (0.47, 0.74) | 43.2 | 29.3 | 27.5 | 0.58 (0.47, 0.70) |
| Tumor Stage | ||||||||
| Ta | 37.9 | 34.3 | 27.8 | 1.0 | 36.8 | 34.0 | 28.2 | 1.0 |
| Tis | 28.4 | 32.7 | 38.9 | 1.49 (1.22, 1.80) | 28.0 | 31.0 | 41.0 | 1.86 (1.65, 2.10) |
| Ta, Tis, NOS | 33.3 | 35.2 | 31.5 | 1.21 (1.04, 1.41) | 38.0 | 33.2 | 28.8 | 1.00 (0.86, 1.15) |
| T1 | 23.5 | 30.7 | 45.8 | 1.92 (1.70, 2.17) | 24.5 | 30.8 | 44.7 | 1.61 (1.32, 1.95) |
| Tumor grade | ||||||||
| Low | 43.6 | 36.3 | 20.1 | 1.0 | 43.5 | 34.3 | 22.2 | 1.0 |
| Medium | 34.9 | 33.9 | 31.2 | 2.03 (1.78, 2.31) | 35.4 | 35.3 | 29.3 | 1.57 (1.37, 1.78) |
| High | 23.9 | 31.0 | 45.1 | 4.06 (3.47, 4.74) | 24.7 | 30.5 | 44.8 | 3.08 (2.66, 3.57) |
| Unknown | 29.4 | 29.7 | 40.9 | 3.20 (2.57, 3.99) | 30.9 | 31.6 | 37.5 | 2.20 (1.79, 2.70) |
| SEER Region | ||||||||
| Seattle (Puget Sound) | 41.6 | 34.2 | 24.2 | 1.0 | 35.1 | 34.1 | 30.8 | 1.0 |
| Atlanta | 28.4 | 34.1 | 37.5 | 2.65 (2.04, 3.44) | 34.3 | 32.3 | 33.4 | 1.22 (0.87, 1.73) |
| California** | 36.0 | 34.7 | 29.3 | 1.71 (1.43, 2.03) | 35.8 | 34.0 | 30.2 | 1.13 (0.92, 1.40) |
| Connecticut | 32.2 | 35.0 | 32.8 | 2.19 (1.82, 2.64) | 29.2 | 36.8 | 34.0 | 1.51 (1.17, 1.95) |
| Detroit | 29.8 | 30.4 | 39.8 | 3.13 (2.61, 3.75) | 24.8 | 28.5 | 46.7 | 2.73 (2.12, 3.50) |
| Hawaii | 38.9 | 27.2 | 33.9 | 2.01 (1.29, 3.13) | 25.2 | 31.9 | 42.9 | 2.41 (1.42, 4.10) |
| Iowa | 28.4 | 31.8 | 39.8 | 3.21 (2.66, 3.87) | 27.1 | 35.9 | 37.0 | 2.16 (1.67, 2.81) |
| New Mexico | 33.6 | 32.4 | 34.0 | 2.29 (1.72, 3.03) | 33.0 | 33.5 | 33.5 | 1.39 (0.93, 2.08) |
| Rural Georgia | 19.4 | 41.9 | 38.7 | 4.40 (1.46, 13.3) | 33.3 | 28.6 | 38.1 | 1.87 (0.65, 5.42) |
| Utah | 37.1 | 35.5 | 27.4 | 1.57 (1.20, 2.05) | 33.8 | 35.1 | 31.1 | 1.26 (0.89, 1.79) |
| Kentucky | 30.9 | 33.6 | 35.5 | 1.71 (1.32, 2.23) | ||||
| Louisiana | 30.6 | 35.2 | 34.2 | 1.78 (1.34, 2.36) | ||||
| New Jersey | 38.6 | 31.2 | 30.2 | 1.05 (0.85, 1.31) | ||||
*
Adjusted for age, race, gender, socioeconomic status, tumor stage, tumor grade, and SEER region.
**
California includes the San Francisco, Los Angeles, and San Jose/Monterey registries in the SEER 13 data. In the SEER 17 data, California also includes greater California.