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. Author manuscript; available in PMC: 2011 Jul 30.
Published in final edited form as: Psychiatry Res. 2010 May 21;178(2):317–322. doi: 10.1016/j.psychres.2009.11.013

Table 2. Symptom and comorbidity severity by diagnostic group.

OCD Only TD Only TD + OCD Combined
OCD CSR Mean 5.3 -- 5.1
SD 0.8 -- 0.8
Tic CSR Mean -- 4.5 4.8
SD -- 0.6 0.9
Mean Number of Comorbid Diagnoses Mean 2.2 1.8 2.0
SD 1.1 0.9 0.9
Summed Severity of Comorbid Conditions Mean 13.4 11.7 15.0
SD 5.3 3.6 5.2
Average Severity of Comorbidity Mean 4.9a 4.6a 4.8
SD 0.8 0.6 0.6

Note: CSR = Clinician Severity Rating; OCD = Obsessive-Compulsive Disorder; TD = Tic Disorder