Table 2.
Univariate and Multivariate Analysis of the Association of Different Factors with OS
| Characteristics | Univariate Analysis | Multivariate Analysis | ||||
|---|---|---|---|---|---|---|
| HR | 95% CI | P-value | HR | 95% CI | P-value | |
| Age (>60 years old) | 0.39 | 0.18–0.87 | 0.02 | 0.62 | 0.24–1.60 | 0.32 |
| Gender (male) | 0.98 | 0.38–2.60 | 0.98 | – | – | – |
| WHO high grade | 2.84 | 1.02–7.87 | 0.05 | 1.76 | 0.56–5.53 | 0.34 |
| Smoking history | 0.82 | 0.40–1.70 | 0.60 | – | – | – |
| T≥2 | 5.76 | 2.62–12.65 | <0.001 | 3.66 | 1.36–9.84 | 0.01 |
| N≥1 | 7.00 | 3.14–15.64 | <0.001 | 3.40 | 0.79–14.59 | 0.10 |
| Metastasis | 7.27 | 3.19–16.54 | <0.001 | 2.97 | 1.03–8.52 | 0.04 |
| LVI | 7.00 | 3.14–15.64 | <0.001 | 2.89 | 0.20–5.87 | 0.87 |
| Multiple tumors | 2.50 | 1.24–5.05 | 0.01 | 1.50 | 0.68–3.30 | 0.31 |
| Tumor size (≥3 cm) | 2.69 | 0.82–8.81 | 0.10 | – | – | – |