Table II. Summary of Neuropsychiatric Diagnoses for PWHO Participants with Prader-Willi Syndrome.

Primary Psychiatric Diagnoses	Total (N=70)	Males (N=33)	Females (N=37)	Odds# Male	95% CI	p-value
Any Psychotic Features	16 (23%)	7 (21%)	9 (24%)	0.8	0.27,2.6	0.76
Bipolar Disorder (Nonpsychotic)	15 (21%)	8 (24%)	7 (18%)	1.4	0.44,4.3	0.59
Anxiety Disorder	27 (38%)	14 (42%)	13 (35%)	1.4	0.52,3.6	0.53
Major Depressive Disorder	17 (24%)	5 (15%)	12 (32%)	0.4	0.11,1.2	0.09
Intermittent Explosive Disorder	21 (30%)	15 (45%)	6 (16%)	4.3	1.4,13.1	0.008*
Excoriation (skin picking) Disorder	23 (33%)	8 (24%)	15 (41%)	0.5	0.17,1.3	0.15

^#Odds ratio for males relative to females using Logit.

^*p<0.05 considered significant Additional diagnoses included: attention deficit hyperactivity disorder, conduct disorder and tic disorders. CI = confidence interval