|  | Correlation of SF neuropeptide levels | |||||
---|---|---|---|---|---|---|---|
Group | Neuropeptide | With IL-1β | With TNF-α | With IL-10 | |||
Moderate DDH | Â | R | P-value | R | P-value | R | P-value |
 | SP | 0.19 | 0.30 | 0.41 | <0.05* | 0.33 | 0.08 |
 | CGRP | 0.10 | 0.64 | 0.40 | <0.05* | 0.69 | <0.01* |
Severe DDH | Â | Â | Â | Â | Â | Â | Â |
 | SP | 0.45 | <0.05* | 0.48 | <0.05* | 0.39 | <0.05* |
 | CGRP | 0.37 | 0.07 | 0.47 | <0.01* | 0.14 | 0.46 |