Table 2. BMI change following olanzapine treatment.

	Total (n = 31)			Male (n = 12)			Female (n = 19)
	Baseline	Endpoint	P	Baseline	Endpoint	P	Baseline	Endpoint	P
Olanzapine dose, mg/day*	0.0 ± 0.0	12.4 ± 7.1	-	0.0 ± 0.0	13.8 ± 8.6	-	0.0 ± 0.0	11.6 ± 6.0	-
Duration of olanzapine medication, weeks*	0.0 ± 0.0	37.0 ± 27.5	-	0.0 ± 0.0	33.6 ± 33.5	-	0.0 ± 0.0	39.0 ± 24.0	-
BPRS*	32.6 ± 7.9	26.2 ± 7.3	.004†	35.9 ± 6.2	31.7 ± 6.2	NS†	30.0 ± 8.3	22.8 ± 5.7	.031†
BMI, kg/m2*	20.7 ± 3.0	22.8 ± 3.9	< .001†	21.0 ± 3.6	22.5 ± 3.9	.008†	20.5 ± 2.6	23.0 ± 3.9	.003†

*Data are expressed as mean ± standard deviation.

^†Paired t-test was used.

Abbreviations: BPRS, Brief Psychiatric Rating Scale; BMI, body mass index; NS, not significant.