Table 2 –
Multivariate model–omission of RT.
| Characteristics | Point estimate | 95% Wald confidence limits |
|---|---|---|
| Age, y | ||
| 70–74 versus 85+ | 0.144 | 0.129–0.161 |
| 75–79 versus 85+ | 0.234 | 0.211–0.259 |
| 80–84 versus 85+ | 0.429 | 0.386–0.476 |
| Race | ||
| White versus others | 1.219 | 1.089–1.363 |
| Marital status | ||
| Single/Other versus married | 1.197 | 1.121–1.277 |
| Tumor | ||
| 0–1 cm versus 1–2 cm | 1.386 | 1.300–1.478 |
| Geographic region | ||
| Midwest versus West | 0.661 | 0.59–0.737 |
| Northeast versus West | 0.741 | 0.682–0.806 |
| South versus West | 0.941 | 0.865–1.025 |
| Socioeconomic status | ||
| 2nd versus 1st quartile | 0.869 | 0.794–0.951 |
| 3rd versus 1st quartile | 1.008 | 0.921–1.102 |
| 4th versus 1st quartile | 1.013 | 0.926–1.108 |
| Year | ||
| 2005 versus 2004 | 1.322 | 1.108–1.577 |
| 2006 versus 2004 | 1.291 | 1.083–1.539 |
| 2007 versus 2004 | 1.271 | 1.066–1.517 |
| 2008 versus 2004 | 1.415 | 1.191–1.681 |
| 2009 versus 2004 | 1.280 | 1.075–1.523 |
| 2010 versus 2004 | 1.432 | 1.206–1.700 |
| 2011 versus 2004 | 1.617 | 1.368–1.913 |
| 2012 versus 2004 | 1.794 | 1.517–2.122 |
| 2013 versus 2004 | 1.970 | 1.668–2.327 |
| 2014 versus 2004 | 2.588 | 2.199–3.046 |
| 2015 versus 2004 | 2.723 | 2.317–3.199 |
| CCI | ||
| 1 versus no comorbidities | 1.208 | 1.120–1.303 |
| 2+ versus no comorbidities | 1.453 | 1.332–1.585 |