Table 2.

Demographic characteristics of pediatric bipolar patients (n = 32) and healthy controls (n = 15)

Characteristic	Controls (n = 15)	Bipolar disorder (n = 32)
Age	11.2 ± 3.0	11.2 ± 2.8
Handedness score (right minus left)	17.2 ± 4.8	14.9 ± 10
No. of males (%)	10	21
No. of females (%)	5	11
Proportion Caucasian	14 (93.3)	31 (96.9)
Height (cm)	145.8 ± 15.0	145.3 ± 14.2
Weight (kg)	44.5 ± 16.4	49.5 ± 14.9
Head circumference (cm)	54.7 ± 2.0	54.5 ± 1.3
Tanner Stage I (%)	8 (53.3)	17 (53.1)
Hollingshead Socioeconomic Scale I (%), Mean ± SD	10 (66.7), 56.7 ± 9.6	8 (25), 51.1 ± 9.6
Current Global Assessment of Functioning	68.7 ± 2.2	49.8 ± 6.4
Young Mania Rating Scale	0.9 ± 1.2	25.3 ± 8.3
Verbal IQ	114.9 ± 11.4	99.2 ± 14.5
Comorbidities
ADHD (%)	N/A	20 (62.5)
Psychotic features (%)	N/A	12 (37.5)
Anxiety disorder (%)	N/A	20 (62.5)

Values in parenthesis are in percentage. N/A = not applicable.