Table 1.
Correlation between serum interleukin-6 level before and after surgery with visual analogue score and percentage of the Oswestry disability index and changes after and before surgery
| IL-6 | Post-pre difference | VAS | ODI | |||
|---|---|---|---|---|---|---|
| VAS | ODI | Presurgery | Postsurgery | Presurgery | Postsurgery | |
| Presurgery | ||||||
| CC | −0.443 | −0.460 | 0.523 | 0.299 | 0.340 | −0.039 |
| P | 0.011 | 0.008 | 0.002 | 0.097 | 0.057 | 0.833 |
| Postsurgery | ||||||
| CC | −0.079 | 0.054 | 0.078 | 0.161 | 0.001 | 0.042 |
| P | 0.669 | 0.770 | 0.670 | 0.377 | 0.995 | 0.820 |
Analyzed with Spearman’s test, Significant level is <0.05. IL-6 – Interleukin-6; VAS – Visual analog score; ODI – Oswestry disability index; CC – Correlation coefficient