Table 3. Correlations between the absolute concentration (nMole/gram) of synovial fluid lipid species with OA and synovitis.
| Predicator variables | OA severity | Synovitis | |
|---|---|---|---|
| r | r | ||
| SFAs | myristic acid | −0.5* | −0.22 |
| pentadecylic acid | −0.58* | −0.22 | |
| palmitic acid | −0.46* | −0.28 | |
| MUFAs | myristoleic acid | −0.43 | −0.32 |
| palmitoleic acid | −0.43* | −0.28 | |
| ω-6 PUFAs | γ-linolenic acid | −0.41* | −0.27 |
| docosadienoic acid | 0.44* | 0.23 | |
| ω-3 PUFAs | stearidonic acid | −0.44* | −0.16 |
| ETA | −0.60** | −0.22 | |
| EPA | −0.49* | −0.20 | |
| DPA | −0.48* | −0.13 | |
| DHA | −0.5* | −0.20 | |
| ω-3: ω-6 ratio | −0.14 | −0.02 |
ETA: eicosatetraenoic acid; EPA: eicosapentaenoic acid; DPA: all-cis-7,10,13,16,19-docosapentaenoic acid; DHA: docosahexaenoic acid; None of plasmalogen correlates with OA or synovitis.*p < 0.05; **p < 0.01.