 OWK coefficient allows quick diagnosis of a neurotic disorder (with above 90% accuracy), without indicating which particular neurotic disorder (in the terms of ICD-10 F-40 group) a patient is suffering from.Factor analysis lead to creation 14 KO "O" scales.8 of those scales correspond to ICD-10 diagnostic units (however, the scales' values does not have diagnostic importance, instead the values have only descriptive significance).