Table 4:
Adjusted risk of death for patients undergoing surgery for T3N0–2 non-small-cell lung cancer
| Predictor | Hazard ratio | 95% confidence interval |
P-value | |
|---|---|---|---|---|
| Lower | Upper | |||
| Radiation therapy | ||||
| None | Ref. | Ref. | Ref. | Ref. |
| Induction | 0.79 | 0.72 | 0.87 | <0.001 |
| Adjuvant | 0.96 | 0.91 | 1.03 | 0.25 |
| Both | 0.97 | 0.77 | 1.23 | 0.83 |
| Extent of surgical resection | ||||
| Lobectomy | Ref. | Ref. | Ref. | Ref. |
| Sublobar | 1.21 | 1.11 | 1.32 | <0.001 |
| Pneumonectomy | 1.09 | 1.01 | 1.18 | 0.022 |
| Nodal status | ||||
| N0 | Ref. | Ref. | Ref. | Ref. |
| N1 | 1.34 | 1.24 | 1.44 | <0.001 |
| N2 | 1.53 | 1.42 | 1.65 | <0.001 |
| Age (per decade) | 1.31 | 1.27 | 1.35 | <0.001 |
| Male sex | 1.15 | 1.09 | 1.22 | <0.001 |
| Race | ||||
| White | Ref. | Ref. | Ref. | Ref. |
| Black | 1.10 | 1.00 | 1.22 | 0.051 |
| Other | 0.89 | 0.79 | 1.00 | 0.045 |
| Marital status | ||||
| Married | Ref. | Ref. | Ref. | Ref. |
| Not married | 1.10 | 1.04 | 1.17 | 0.0018 |
| Unknown | 0.87 | 0.73 | 1.04 | 0.12 |
Cox proportional hazards model adjusting for age, surgical intervention, radiation therapy, race, sex, nodal status and marital status.