Table 2. Univariate Cox Model (hazard ratios represent the risk of death).
| Overall Survival HR (95% CI) | P-Value | ||
|---|---|---|---|
| Age | Continuous variable | 1.019 (1.011-1.027) | <0.01 |
|
| |||
| Sex | Female (Reference) | 1.000 | <0.01 |
| Male | 1.304 (1.125-1.511) | ||
| Smoking | No (Reference) | 1.00 | <0.01 |
| History | Yes | 1.471 (1.192-1.814) | |
| Diabetes | No (Reference) | 1.00 | 0.162 |
| Yes | 1.179 (0.936-1.484) | ||
|
| |||
| Stage | I (Reference) | 1.000 | <0.01 |
| II | 1.843 (1.538-2.206) | <0.01 | |
| III | 2.452 (2.026-2.967) | <0.01 | |
| IV | 3.258 (2.319-4.576) | <0.01 | |
|
| |||
| Surgery type | Lobectomy | 1.000 | <0.01 |
| Pneumonectomy | 2.168 (1.533-3.066) | <0.01 | |
| Segmentectomy | 1.152 (0.833-1.594) | 0.392 | |
| Wedge resection | 2.061 (1.56-2.718) | <0.01 | |
|
| |||
| Histology | Adenocarcinoma (Reference) | 1.000 | |
| Squamous Cell Carcinoma | 1.314 (1.114-1.551) | <0.01 | |
| Other | 0.928 (0.726-1.187) | 0.55 | |
|
| |||
| BMI | Continuous variable (per 1 unit) | 0.980 | <0.01 |
|
| |||
| BMI | <25 (Reference) | 1.000 | |
| ≥25 and <30 | 0.926 (0.782-1.095) | 0.37 | |
| ≥30 and <35 | 0.848 (0.684-1.052) | 0.13 | |
| >35 | 0.727 (0.526-1.005) | 0.05 | |