Table 2.
Multivariable Cox Proportional Hazards model for independent predictors of survival for propensity score-matched patients with cN3 non-small cell lung cancer
| 95% Confidence Interval | ||||
|---|---|---|---|---|
| Predictor | Hazard Ratio | Lower | Upper | p-value |
| Age (per year) | 1.01 | 1.00 | 1.02 | <0.001 |
| Female sex (reference: male) | 0.96 | 0.86 | 1.07 | 0.46 |
| Race (reference: White) | ||||
| Black | 1.05 | 0.87 | 1.26 | 0.61 |
| Other | 1.09 | 0.76 | 1.56 | 0.64 |
| Charleson-Deyo Comorbidity Index (reference: 0) | ||||
| 1 | 1.13 | 1.00 | 1.28 | 0.05 |
| 2+ | 1.26 | 1.08 | 1.49 | 0.004 |
| Year of diagnosis (per year) | 0.97 | 0.95 | 0.99 | 0.002 |
| Insurance status (reference: private) | ||||
| Government | 1.09 | 0.94 | 1.25 | 0.25 |
| None | 1.01 | 0.72 | 1.40 | 0.97 |
| Facility location (reference: metro) | ||||
| Urban | 1.00 | 0.87 | 1.15 | 0.98 |
| Rural | 1.21 | 0.96 | 1.52 | 0.11 |
| Academic center | 0.87 | 0.78 | 0.98 | 0.02 |
| Tumor size | 1.01 | 1.00 | 1.01 | 0.005 |
| Histology (ref: adenocarcinoma) | ||||
| Squamous cell carcinoma | 0.95 | 0.83 | 1.07 | 0.38 |
| Other | 1.18 | 1.01 | 1.39 | 0.04 |
| Treatment (reference: chemoradiation) | ||||
| Surgery (<=6 months) | 1.52 | 1.12 | 2.05 | 0.006 |
| Surgery (after 6 months) | 0.54 | 0.47 | 0.63 | <0.001 |