Synovial fluid (knee) preinfliximab and postinfliximab therapy
| Pre-Infliximab | Post-Infliximab | |
| Polymorphonuclear cells (x10ˆ6) | 2800 | 3 |
| Red blood cells (x10ˆ6) | 70 | 150 |
| Lymphocytes (x10ˆ6) | 310 | Not reported |
| Mononuclear cells (x10ˆ6) | Not reported | 24 |
| Bacteria and culture | Absent; culture negative | Absent; culture negative |
| Crystals | Negative | Negative |