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. Author manuscript; available in PMC: 2010 Jun 24.
Published in final edited form as: Am J Psychiatry. 2009 Apr 15;166(5):583–590. doi: 10.1176/appi.ajp.2008.08081218

Table 2. Change in Metabolic Measures per Week of Treatment by Randomized Group in Phase 1.

Metabolic Measures Randomized
Group
N 1 Rate of
Change 2
SE P Value 3
Weight (pounds) Olanzapine 99 0.12 0.06 0.032
Quetiapine 94 0.14 0.06 0.019
Risperidone 85 0.10 0.06 0.07
BMI (kg/m2) Olanzapine 97 0.02 0.01 0.039
Quetiapine 92 0.03 0.01 0.014
Risperidone 84 0.02 0.01 0.07
Waist circumference
(inches)
Olanzapine 96 0.07 0.02 0.004
Quetiapine 92 0.01 0.03 0.61
Risperidone 80 0.01 0.03 0.72
Systolic BP (mmHg) Olanzapine 99 −0.01 0.12 0.95
Quetiapine 94 0.17 0.12 0.16
Risperidone 85 −0.11 0.12 0.36
Diastolic BP (mmHg) Olanzapine 99 −0.05 0.07 0.43
Quetiapine 94 0.09 0.07 0.23
Risperidone 85 −0.13 0.07 0.06
HDL cholesterol
(mg/dL)
Olanzapine 99 −0.19 0.07 0.004
Quetiapine 93 −0.09 0.07 0.19
Risperidone 83 0.03 0.07 0.68
Triglyceride (mg/dL) Olanzapine 75 0.42 0.59 0.48
Quetiapine 73 0.55 0.63 0.38
Risperidone 67 0.43 0.65 0.51
Glucose (mg/dL) Olanzapine 77 0.10 0.11 0.37
Quetiapine 72 0.12 0.12 0.32
Risperidone 67 0.24 0.13 0.06
1

All available follow-up visits in phase 1 were included for each subject in the longitudinal data analysis. Analysis on triglyceride and glucose were performed among fasting samples and patients whose glucose < 100mg/dL with unknown fasting status

2

Adjusted for age at randomization and gender

3

P-value obtained from mixed effects model evaluating the weekly rate of change in each second-generation antipsychotic treatment group relative to the placebo group