| mild-degeneration | severe-degeneration | P-value |
---|---|---|---|
Inflammatory markers | |||
 TNF | 1.097(0.563) | 1.447(0.339) | 0.304 |
 IL1-β | 0.621(0.362) | 0.827(0.589) | 0.609 |
 IL-6 | 0.468(0.477) | 0.818(0.383) | 0.293 |
 IL-8 | 0.407(0.515) | 0.462(0.289) | 0.850 |
 NOS2 | 0.815(0.182) | 0.972(0.536) | 0.649 |
 TGF-β | 1.006(0.312) | 1.064(0.412) | 0.841 |