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Comparison of mean values of TNF-α in serum of Group A and Group B.
| Group | Number of cases | Mean | t-value | P value |
|---|---|---|---|---|
| A (controls) | 30 | 16.38 | 3.6 | 0.000697*** |
| B (OLP patients) | 30 | 68.44 |
*Significant at P < 0.05; **highly significant at P < 0.01; ***very highly significant at P < 0.001.
TNF: tumor necrosis factor.
OLP: oral lichen planus.
