Table 1.

Baseline characteristics of patients who had at least one week of active treatment.

	Olanzapine (n = 111)	Divalproex (n = 111)
YMRS total, mean (SD)	27.3 (5.0)	27.8 (6.7)
HAMD-21 total, mean (SD)	15.1 (7.5)	13.4 (6.9)
Gender (% male)	42.3	41.4
Age, year, mean (SD)	40.15 (12.2)	42.3 (11.8)
Ethnicity (% white)	77.5	84.7
Weight, kg, mean (SD)	80.4 (20.5)	79.2 (20.9)
Mixed episode (%)	47.7	39.6
Psychotic features (%)	49.5	39.6
Rapid cycling (%)	61.3	52.3
Number of manic episodes in previous year, mean (SD)	4.8 (7.3)	3.6 (6.2)