Table 1. Demographic data.

	NP-BD	SMD	Control	p Value
N	39	31	36
Age (years)	13.99 ± 2.63	12.29 ± 2.12	14.34 ± 2.28	.001
Gender (male), % (N)	53.80 (21)	61.30 (19)	55.60 (20)	.81
IQ	110.08 ± 14.15	102.74 ± 14.36	115.61 ± 14.21	.002
CGAS	48.95 ± 12.41	47.50 ± 7.76	—	.60
No. of diagnoses	2.33 ± 1.30	2.55 ± 1.23	—	.49
Diagnoses, % (N)
BP I	92.30 (36)	—	—	—
BP II	7.70 (3)	—	—	—
ADHD	46.20 (18)	77.40 (24)	—	.02
ODD	23.10 (9)	74.20 (23)	—	.001
Any anxiety	35.90 (14)	45.20 (14)	—	.59
GAD	15.40 (6)	29.00 (9)	—	.28
Separation anxiety	15.40 (6)	25.80 (8)	—	.43
Social phobia	20.50 (8)	9.70 (3)	—	.37
MDD	—	9.70 (3)	—	—
No. of medications when medicated	2.88 ± 1.16	2.29 ± 1.14		.12
Medications	82.10 (32)	45.20 (14)	—	.003
Antiepileptics	64.10 (25)	19.40 (6)	—	.001
Atypical antipsychotics	51.30 (20)	16.10 (5)	—	.005
Lithium	35.90 (14)	22.60 (7)	—	.35
Stimulants	35.90 (14)	29.00 (9)	—	.73
Antidepressants	23.10 (9)	12.90 (4)	—	.44
Mood rating scores
CDRS	30.05 ± 9.09	26.45 ± 5.24	—	.06
YMRS	10.84 ± 6.73	9.83 ± 7.25	—	.56
MASC t score	43.63 ± 11.35	44.75 ± 10.41	—	.77
Social function scores
SRS	80.39 ± 17.30	83.27 ± 25.32	—	.94
LIFE: family	2.70 ± 0.77	2.71 ± 0.87	—	.96
LIFE: friends	3.03 ± 1.12	2.72 ± 1.02	—	.35

Note: NP-BD, narrow phenotype bipolar disorder; SMD, severe mood dysregulation; CGAS, Children’s Global Assessment Scale; BP, bipolar disorder; ADHD, attention-deficit/hyperactivity disorder; GAD, generalized anxiety disorder; MDD, major depressive disorder; ODD, oppositional defiant disorder; CDRS, Children’s Depression Rating Scale; YMRS, Young Mania Rating Scale; MASC, Manifest Anxiety Scale for Children; SRS, Social Reciprocity Scale; LIFE, Longitudinal Interval Follow-up Evaluation. All diagnoses are current.