Table III.
Univariate analysis of the influences of clinical characteristics on the overall survival of patients with early stage NSCLC.
| Prognostic factor | No. | Median survival (days) | 3-year survival (%) | Log-rank P-value |
|---|---|---|---|---|
| P53R2 | ||||
| Negative | 50 | 660 | 36.0 | |
| Positive | 42 | 900 | 40.1 | 0.0220 |
| Age (years) | ||||
| ≤65 | 40 | 1,074 | 36.0 | |
| >65 | 52 | 957 | 30.8 | 0.5750 |
| Gender | ||||
| Female | 23 | 1,033 | 30.5 | |
| Male | 69 | 999 | 36.3 | 0.6020 |
| Tumor type | ||||
| AD | 52 | 1,020 | 30.8 | |
| SCC | 40 | 991 | 40.0 | 0.8700 |
| Tumor stage | ||||
| I | 66 | 1,151 | 43.9 | |
| II | 29 | 642 | 11.5 | <0.0001 |
| Lymphovascular invasion | ||||
| Negative | 76 | 1,103 | 59.2 | |
| Positive | 16 | 555 | 6.25 | <0.0001 |
| Recurrence/metastasis | ||||
| Negative | 59 | 1,082 | 37.3 | |
| Positive | 32 | 868 | 31.2 | 0.0030 |
| Differentiation | ||||
| Well | 12 | 1,105 | 33.0 | |
| Moderate | 55 | 1,140 | 40.0 | |
| Poorly | 25 | 670 | 24.0 | <0.0001 |
AD, adenocarcinoma; SCC, squamous cell carcinoma. The Kaplan-Meier log-rank test was used for statistical analysis.