TABLE 4.
Multivariable analysis of factors associated risk of death in patients with resected pathologic T1–3 pN1–2 M0 non-small cell lung cancer
| Hazard ratio | 95% confidence interval (lower, upper) | P value | |
|---|---|---|---|
| Age (per decade) | 1.15 | (1.11, 1.20) | <.001 |
| Year of diagnosis (ref = 2006) | 0.98 | (0.97, 0.99) | .005 |
| Female sex | 0.79 | (0.75, 0.84) | <.001 |
| Race (ref = white) | |||
| Black | 0.99 | (0.89, 1.10) | .84 |
| Other | 0.85 | (0.72, 1.01) | .06 |
| Charlson Comorbidity Score (ref = 0) | |||
| 1 | 1.15 | (1.08, 1.22) | <.001 |
| 2+ | 1.26 | (1.16, 1.37) | <.001 |
| Education (per quartile) | 1.00 | (0.96, 1.04) | .97 |
| Income (per quartile) | 0.97 | (0.93, 1.00) | .052 |
| Insurance status (ref = private) | |||
| Medicare/Medicaid | 1.20 | (1.12, 1.29) | <.001 |
| Other government | 1.09 | (0.81, 1.46) | .58 |
| Unknown | 1.08 | (0.81, 1.44) | .61 |
| Uninsured | 1.36 | (1.12, 1.64) | .002 |
| AJCC pathologic T stage | 1.24 | (1.19, 1.28) | <.001 |
| AJCC pathologic N2 (vs Nl) | 1.40 | (1.32, 1.50) | <.001 |
| Pneumonectomy (vs lobectomy) | 1.06 | (0.98, 1.16) | .14 |
| Length of stay (per day) | 1.02 | (1.02, 1.03) | <.001 |
| Readmission | 1.25 | (1.11, 1.41) | <.001 |
| Facility type (ref = community) | |||
| Comprehensive community program | 0.84 | (0.76, 0.93) | .001 |
| Research/academic program | 0.76 | (0.68, 0.84) | <.001 |
| Guideline-concordant adjuvant therapy | 0.66 | (0.62, 0.70) | <.001 |
AJCC, American Joint Committee on Cancer.