Table 3.
Multivariate analysis of clinical factors for PFS and OS according to PLR.
| Characteristics | OS | PFS | ||||
|---|---|---|---|---|---|---|
| HR | 95%CI | P value | HR | 95%CI | P value | |
| B symptoms | 1.270 | 0.649-2.483 | 0.485 | 1.471 | 0.758-2.855 | 0.254 |
| ECOG PS (⩾2) | 0.753 | 0.234-2.423 | 0.635 | 0.711 | 0.222-2.277 | 0.566 |
| LDH (>ULN) | 1.704 | 0.719-4.036 | 0.046 | 1.895 | 0.813-4.419 | 0.039 |
| Stage (III and IV) | 0.823 | 0.350-1.934 | 0.655 | 0.801 | 0.339-1.895 | 0.614 |
| IPI (>2) | 1.252 | 0.707-2.217 | 0.041 | 1.168 | 0.659-2.070 | 0.044 |
| Extranodal sites of disease (>1) | 1.411 | 0.526-3.781 | 0.494 | 1.412 | 0.524-3.806 | 0.495 |
| PLR⩾2.32 | 1.549 | 0.868-2.763 | 0.038 | 1.458 | 0.818-2.597 | 0.041 |