Table 2.

Predictors of efficacy of aripiprazole augmentation

Predictor	ORa	95% CI	P-value
Bipolar depression	3.64	1.05–14.29	P=0.041*
Absence of comorbid anxiety disorders	8.87	1.54–169.44	P=0.011*
Duration of current episode >3 months	6.76	1.10–131.79	P=0.037*

Notes:

^*P<0.05.

^aCalculated by multiple logistic regression analysis using independent variables selected by the stepwise method based on Akaike’s information criterion.¹⁷

Abbreviations: CI, confidence interval; OR, odds ratio.