| Parameter | Serum miRNA-21 DLBCL patients | |
| rs | p | |
| Age | 0.231 | 0.220 |
| LDH | 0.454 | 0.012* |
| ESR | 0.172 | 0.363 |
| Uric acid | 0.109 | 0.567 |
| ECOG | 0.328 | 0.077 |
| Ann Arbor staging | 0.443 | 0.014* |
| IPI | 0.395 | 0.031* |