Table 2.

Meta-Regression Analyses

	Coefficient	Lower 95%CI	Upper 95%CI	P Value
Sex	−0.21	−2.25	1.83	.84
Age	0.01	−0.02	0.04	.37
CPZE	0.01	−0.01	0.01	.72
Illness duration	0.02	−0.02	0.07	.29
PANSS positive	0.08	0.02	0.13	.006
PANSS negative	0.07	−0.02	0.17	.14
PANSS general	0.02	0.01	0.03	<.001
PANSS total	0.02	0.01	0.02	<.001

Note: CI, confidence interval; CPZE, chlorpromazine equivalents; PANSS, Positive and Negative Syndrome Scale.