Table 5.
Multivariable Cox Proportional Hazards model for independent predictors of survival for propensity score-matched patients with pN3 non-small cell lung cancer
| 95% Confidence Interval | ||||
|---|---|---|---|---|
| Predictor | Hazard Ratio | Lower | Upper | p-value |
| Age (per year) | 1.01 | 0.99 | 1.02 | 0.22 |
| Female sex (reference: male) | 0.97 | 0.76 | 1.22 | 0.77 |
| Race (reference: White) | ||||
| Black | 1.06 | 0.72 | 1.57 | 0.76 |
| Other | 1.14 | 0.57 | 2.28 | 0.71 |
| Charleson-Deyo Comorbidity Index (reference: 0) | ||||
| 1 | 1.05 | 0.81 | 1.36 | 0.72 |
| 2+ | 1.46 | 1.00 | 2.14 | 0.05 |
| Year of diagnosis (per year) | 0.94 | 0.90 | 0.98 | 0.002 |
| Insurance status (reference: private) | ||||
| Government | 1.01 | 0.74 | 1.38 | 0.96 |
| None | 0.71 | 0.35 | 1.45 | 0.34 |
| Facility location (reference: metro) | ||||
| Urban | 0.92 | 0.65 | 1.29 | 0.62 |
| Rural | 0.90 | 0.50 | 1.63 | 0.74 |
| Academic center | 0.86 | 0.68 | 1.09 | 0.22 |
| Tumor size | 1.01 | 1.00 | 1.01 | 0.16 |
| Histology (ref: adenocarcinoma) | ||||
| Squamous cell carcinoma | 1.08 | 0.83 | 1.42 | 0.56 |
| Other | 0.96 | 0.65 | 1.41 | 0.84 |
| Treatment (reference: chemoradiation) | ||||
| Surgery (<=6 months) | 1.71 | 0.92 | 3.19 | 0.09 |
| Surgery (after 6 months) | 0.76 | 0.58 | 0.99 | 0.045 |