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Difference in proportion between detected and nondetected TNF-α values in saliva of Group A and Group B.
| Group | Detected | Nondetected | Two-sample binomial proportion test | P value |
|---|---|---|---|---|
| A (controls) | 14 (46.7%) | 16 (53.3%) | Z = 2.38 | 0.02* |
| B (OLP patients) | 23 (76.7%) | 7 (23.3%) |
*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.
