Table 3.
Adjusted Risk Ratios With 95% CIs for Receipt of Surgery Among Patients Diagnosed With Early-Stage Non-small Cell Lung Cancer in the United States, 2007 to 2014
| Characteristic | Risk Ratios (95% CI) |
|
|---|---|---|
| Crude | Adjusteda | |
| Percent below poverty level | ||
| < 5.0 | 1.00 | 1.00 |
| 5.0-9.99 | 0.97 (0.87-1.08) | 1.01 (0.94-1.08) |
| 10.0-19.99 | 0.90 (0.82-1.00) | 0.98 (0.92-1.05) |
| ≥ 20.0 | 0.86 (0.77-0.95) | 0.94 (0.88-1.01) |
| Urban/rural | ||
| Metro | 1.00 | 1.00 |
| Rural | 1.00 (0.95-1.05) | 0.98 (0.93-1.03) |
| Urban | 0.96 (0.94-0.97) | 0.96 (0.95-0.97) |
| Surgeon-to-population ratiob | 1.00 | 1.00 |
| 22.27 to < 33.25 per 100,000 | 0.99 (0.96-1.02) | 0.98 (0.95-1.01) |
| 13.03 to < 22.27 per 100,000 | 0.99 (0.96-1.02) | 0.98 (0.95-1.00) |
| < 13.03 per 100,000 | 0.97 (0.94-0.99) | 0.96 (0.94-0.98) |
| Percent people without insurance, quartilec | ||
| < 14.9 | 1.00 | 1.00 |
| 14.9 to < 19.9 | 0.98 (0.95-1.00) | 0.98 (0.96-1.01) |
| 19.9 to < 23.6 | 0.94 (0.92-0.97) | 0.96 (0.93-0.99) |
| ≥ 23.6 | 0.91 (0.88-0.93) | 0.94 (0.90-0.97) |
a
Adjusted for race/ethnicity, diagnosis age, sex, year of diagnosis, registry, insurance, stage, and tumor size.
b
Calculated by dividing the total number of surgeons (general surgeons and thoracic surgeons) by the total population aged > 35 years during the 2010 US Census 2010.
c
County level percentage of people without insurance among the population aged 18 to 64 years in 2013.