Table 2.

Current comorbidity rates in former studies.

Disorder	Christenson et al. 1991	Schlosser et al., 1994	Diefenbach et al., 2005	Woods et al., 2006	Grant et al., 2009	Odlaug et al., 2010	Lochner et al., 2012	Odlaug et al., 2008
Excoriation Disorder	-	-	-	-	-	-	-	-
OCD	-	-	-	-	-	-	5	0
Major Depression	23	18	21.4	28.6	28	-	8	0
Dysthymia	-	-	-	-	-	-	5	-
Bipolar	-	-	-	-	-	-	0	-
Panic Disorder	-	14	3.6	3.6	-	-	2	-
Social Phobia	-	-	-	-	-	-	5	0
Specific Phobia	-	-	-	-	-	-	12	-
GAD	-	-	-	-	-	-	14	-
PTSD	-	-	3.6	-	-	-	0	-
Eating Disorder	-	5	-	-	-	-	1	-
Substance Use Disorder	-	14	-	-	-	0	-	4.2
Psychotic Disorder NOS	-	-	-	-	-	18	-	-