Septic Joint
| Measure | Normal | Group 1 Non-Inflammatory |
Group 2 Inflammatory |
Group 3 Septic |
| Volume | < 3.5 | >3.5 | >3.5 | >3.5 |
| Clarity | transparent | Yellow | Yellow to Opalescent |
Yellow to Green |
| WBC per uL | < 200 | < 200-300 | 3000-50000 | >50000 |
| PML | <25% | <25% | 50%+ | 75%+ |
| Culture | neg | neg | neg | pos |
| Glucose | nearly equal to serum |
nearly equal to serum | >25, lower than serum | <25, much lower than serum |