Table 2.

Effect size of attention

Study	Diagnosis	Intervention	Effect size	95%CI	Weight (%)
Iwata et al[22]	Schizophrenia	CR using computer software	0.66	0.14-1.18	46.2
Jung and Oh[23]	Schizophrenia	CB group art therapy program	0.89	0.04-1.74	17.5
Kim and Kim[24]	Schizophrenia	Visuospatial rehabilitation	0.71	-0.04-1.47	22.0
Song et al[25]	Schizophrenia	CCP (RehaCom)	0.92	-0.01-1.85	14.4
Total			0.75	0.39-1.10	100

CR: Cognitive rehabilitation; CB: Cognitive behavior; CCP: Computerized cognition program.