| Univariate Analysis | Multivariate Analysis | |
---|---|---|---|
P a | HR (95% C.I.) | Pb | |
Treatment | Â | Â | Â |
 Chemotherapy vs. chemotherapy + bevacizumab | 0.890 | 0.734 (0.325–1.656) | 0.457 |
Gender | Â | Â | Â |
 Male vs. female | 0.344 | 0.998 (0.262–3.803) | 0.998 |
Smoking status | Â | Â | Â |
 Smoking vs. non-smoking | 0.379 | 0.646 (0.201–2.077) | 0.463 |
Stage | Â | Â | Â |
 IV vs. IIIB | 0.059 | 0.265 (0.061–1.150) | 0.076 |
VeriStrat | Â | Â | Â |
 Good vs. poor | < 0.001 | 0.214 (0.088–0.522) | 0.011 |