Table 3. Frequency distribution of cases and controls, applying a 12 cutoff point for the combined score and the presence of OPMD, excluding lichen planus in Phase 1 study.

Cutoff value 12	Cases	Control	Total
Disease – above 12	89	235	324
No disease – <12	6	493	499
Total	95	728	823

Abbreviation: OPMD=oral potentially malignant disorder.