Mental state: endpoint scores of various scales (high=poor, data skewed)
Study	Intervention	Mean	SD	N	Note
PANSS negative symptom subscale score
Cheng 2009	Aripiprazole	14.56	9.51	43
Cheng 2009	Ziprasidone	13.12	5.16	43
PANSS positive symptom subscale score
Liu 2008a	Aripiprazole	14.21	5.45	33
Liu 2008a	Ziprasidone	12.96	8.43	33
Wang 2008c	Aripiprazole	13.12	5.16	43
Wang 2008c	Ziprasidone	14.56	9.51	43
Yang 2008	Aripiprazole	11.3	5.7	30
Yang 2008	Ziprasidone	11.5	3.9	30