Table 3:
Risk of death for all patients with T3N0–2 non-small-cell lung cancer
| Predictor | Hazard ratio | 95% confidence interval |
P-value | |
|---|---|---|---|---|
| Lower | Upper | |||
| Surgical intervention | 0.43 | 0.41 | 0.45 | <0.001 |
| Radiation therapy (any) | 0.65 | 0.63 | 0.68 | <0.001 |
| Nodal status | ||||
| N0 | Ref. | Ref. | Ref. | Ref. |
| N1 | 1.18 | 1.12 | 1.24 | <0.001 |
| N2 | 1.27 | 1.23 | 1.32 | <0.001 |
| Age (per decade) | 1.24 | 1.22 | 1.26 | <0.001 |
| Male sex | 1.15 | 1.11 | 1.20 | <0.001 |
| Race | ||||
| White | Ref. | Ref. | Ref. | Ref. |
| Black | 1.04 | 0.98 | 1.09 | 0.17 |
| Other | 0.91 | 0.84 | 0.98 | 0.012 |
| Marital status | ||||
| Married | Ref. | Ref. | Ref. | Ref. |
| Not married | 1.14 | 1.10 | 1.18 | <0.001 |
| Unknown | 1.00 | 0.90 | 1.10 | 0.97 |
Cox proportional hazards model adjusting for age, surgical intervention, radiation therapy, race, sex, nodal status and marital status.