Table 2 MCP-1 (monocyte chemoattractant protein 1) levels in knee synovial fluid and serum at three time points post-ACL rupture by severity of bone bruising on MRI. Values are median (IQR) in ng/mL
MCP-1 Concentration, median (IQR) in ng/mL | All Patients | Bottom Quartile of Bone Bruising (total bone bruising severity 0–2) | Top Quartile of Bone Bruising (total bone bruising severity 7–14) |
|---|---|---|---|
Synovial fluid (< 2 weeks) | 1261 (1295) | 786 (1024) | 1775 (1874) |
Serum (< 2 weeks) | 315 (126) | 289 (62) | 350 (161) |
Serum (6 months) | 294 (118) | 270 (81) | 305 (253) |
Serum (12 months) | 314 (166) | 318 (137) | 413 (288) |