Table 2.
Multivariate analysis of OS and PFS
| Parameter | HR | 95% CI | P-value |
|---|---|---|---|
| PFs (N=1,352 | |||
| Sex | 1.11 | 0.774–1.870 | 0.67 |
| Age | 0.68 | 0.649–1.397 | 0.036 |
| Performance status | 1.28 | 0.897–1.829 | 0.17 |
| Stage of tumor | 0.67 | 1.768–2.618 | <0.01 |
| Histologic type | 1.42 | 0.674–1.870 | 0.65 |
| OS (N=1,352) | |||
| Sex | 1.17 | 0.866–1.465 | 0.43 |
| Age | 0.49 | 0.760–1.467 | 0.015 |
| Performance status | 0.76 | 0.749–1.618 | <0.01 |
| Stage of tumor | 1.11 | 0.674–1.870 | 0.087 |
| Histologic type | 0.94 | 0.876–1.175 | 0.59 |
Abbreviations: PFS, progression-free survival; OS, overall survival; CI, confidence interval; HR, hazards ratio.