Table 4.
Concentration of inflammatory markers in the synovial fluid (PTX3) and in the plasma.
| Marker | All Patients (n = 126) |
Infected (n = 59) |
Non-Infected (n = 67) |
p |
|---|---|---|---|---|
| Synovial PTX3 (ng/mL) |
2.4 (0.9–8.6) |
8.7 (4.8–22) |
1.8 (0.8–2.6) |
<0.0001 |
| Plasmatic PTX3 (ng/mL) |
5.3 (3.7–6.5) |
5.0 (3.3–6.5) |
5.3 (4.0–6.7) |
0.2561 |
| Plasmatic CRP (mg/dL) |
0.5 (0.2–1.0) |
0.8 (0.3–1.8) |
0.3 (0.09–0.6) |
<0.0001 |
| Plasmatic ESR (mm/hr) |
20.0 (9–37) |
23.5 (12.5–47.8) |
15.0 (8.0–28.3) |
0.0082 |
| Plasmatic D-Dimer (ng/mL) | 293 (246.5–374.5) |
288 (247.3–388) |
308 (236–376) |
0.840 |
Values are indicated as median and IQR. p-values are from the Mann–Whitney test.