Table 4.
Spearman’s correlation of serum tumor necrosis factor-alpha cytokines with all clinical parameter among chronic generalized periodontitis patients
| Clinical parameter | Serum TNF-α cytokines | ||
|---|---|---|---|
| Correlation coefficient (ρ) | P | Inference | |
| GI | −0.095 | 0.691 | No linear relationship |
| PI | 0.264 | 0.260 | Weak correlation |
| PPD | −0.068 | 0.777 | No linear relationship |
| CAL | −0.196 | 0.408 | Weak correlation |
TNF-α: Tumor necrosis factor-alpha; GI: Gingival index; PI: Plaque index; PPD: Probing pocket depth; CAL: Clinical attachment loss