Note: Scores should reflect the composite effect of all the patient's obsessive comulsive symptoms. Rate the average occurrence of each item during the prior week up to and including the time of interview.
Total Y-BOCS score range of severity for patients who have both obsessions and compulsions:
0-7 Subclinical 8-15 Mild 16-23 Moderate 24-31 Severe 32-40 Extreme