Index | Univariate analysis | Multivariate analysis | ||
---|---|---|---|---|
HR (95% CI) | P value | HR (95% CI) | P value | |
Age | Â | Â | Â | Â |
 ≥ 65 years old | 0.746 (0.433–1.285) | 0.290 |  |  |
 < 65 years old | Reference |  |  |  |
Race | Â | Â | Â | Â |
 White | Reference |  |  |  |
 Others | 0.786 (0.109–5.662) | 0.811 |  |  |
Initial stage | Â | Â | Â | Â |
 III–IV | 0.785 (0.515–1.197) | 0.261 |  |  |
 Others | Reference |  |  |  |
Recurrence type | Â | Â | Â | Â |
 Newly diagnosed | 0.664 (0.425–1.038) | 0.072 |  |  |
 Others | Reference |  |  |  |
Disease-free interval | Â | Â | Â | Â |
 Newly metastatic disease | 0.625 (0.404–0.966) | 0.035 | 0.574 (0.367–0.898) | 0.015 |
 Others | Reference |  | Reference |  |
Disease site | Â | Â | Â | Â |
 Visceral | 1.771 (1.129–2.778) | 0.013 | 1.847 (1.167–2.925) | 0.009 |
 Nonvisceral | Reference |  | Reference |  |
 Bone-only metastasis | 0.683 (0.385–1.211) | 0.192 |  |  |
 Others | Reference |  |  |  |
Number of disease sites | Â | Â | Â | Â |
 ≥ 3 | 1.609 (1.055–2.455) | 0.027 | 1.579 (1.017–2.450) | 0.042 |
 1, 2 | Reference |  | Reference |  |
Derived neutrophil-to-lymphocyte ratioa | Â | Â | Â | Â |
  ≥ 1.04 | 3.369 (2.134–5.320) |  < 0.001 | 3.314 (2.090–5.256) |  < 0.001 |
 < 1.04 | Reference |  | Reference |  |