Table 2 Univariate and multivariate analyses of prognostic factors in non-small cell lung cancer patients
Characteristic | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| Â | HR | 95% CI | P-value | HR | 95% CI | P-value |
Gender | Â | Â | Â | Â | Â | Â |
 Male vs. Female | 0.733 | 0.457–1.176 | 0.198 |  |  |  |
Age (years) | Â | Â | Â | Â | Â | Â |
 <60 vs.≥60 | 0.951 | 0.587–1.540 | 0.837 |  |  |  |
Tumor size (cm) | Â | Â | Â | Â | Â | Â |
 <4 vs.≥4 | 1.357 | 0.839–2.196 | 0.214 |  |  |  |
Primary tumor (T) | Â | Â | Â | Â | Â | Â |
 T1–T2 vs. T3–T4 | 1.424 | 0.838–2.419 | 0.191 |  |  |  |
Tumor stage | Â | Â | Â | Â | Â | Â |
 I+II vs. III+IV | 2.586 | 1.583–4.224 | 0.000*** | 1.684 | 1.016–2.790 | 0.043* |
Lymph node metastasis | Â | Â | Â | Â | Â | Â |
 No vs. Yes | 2.614 | 1.558–4.388 | 0.000*** | 1.592 | 1.042–2.743 | 0.038* |
PAX6 expression | Â | Â | Â | Â | Â | Â |
 Low vs. High | 5.179 | 2.661–10.081 | 0.000*** | 4.089 | 1.998–8.368 | 0.000*** |