Variables | PFS | OS | ||||
---|---|---|---|---|---|---|
HR | 95% CI | p value | HR | 95% CI | p value | |
Age (years) | Â | Â | 0.379 | Â | Â | 0.975 |
  ≤ 65 | Ref. |  |  | Ref. |  |  |
 >65 | 1.204 | 0.796–1.824 |  | 0.993 | 0.640–1.540 |  |
ECOG PS | Â | Â | 0.487 | Â | Â | 0.483 |
 0 | Ref. |  |  | Ref. |  |  |
 1 | 1.147 | 0.780–1.686 |  | 1.154 | 0.773–1.724 |  |
Clinical stage | Â | Â | 0.004** | Â | Â | 0.004** |
 IIIB | Ref. |  |  | Ref. |  |  |
 IV | 1.752 | 1.190–2.578 |  | 1.802 | 1.207–2.690 |  |
First-line response | Â | Â | 0.035* | Â | Â | 0.015* |
 CR/PR | Ref. |  |  | Ref. |  |  |
 SD/PD | 1.576 | 1.033–2.406 |  | 1.754 | 1.117–2.753 |  |
Albumin | Â | Â | 0.097 | Â | Â | Â |
 Decreased | 1.367 | 0.945–1.978 |  |  |  |  |
 Normal | Ref. |  |  |  |  |  |
LMR_SUV |  |  | < 0.001*** |  |  | < 0.001*** |
 Score 0 | Ref. |  |  | Ref. |  |  |
 Score 1 | 2.017 | 1.233–3.300 | 0.005** | 2.177 | 1.273–3.722 | 0.004** |
 Score 2 | 3.421 | 1.903–6.148 | < 0.001*** | 4.573 | 2.441–8.569 | < 0.001*** |