Table 3.

Correlations between the KBS Korean Language Test and clinical symptoms in patients with schizophrenia

Variable	Listening comprehension		Reading comprehension		Creativity		Total score
	r	p	r	p	r	p	r	p
Age	−0.167	0.220	−0.120	0.377	−0.140	0.305	−0.157	0.248
Education	0.140	0.304	0.079	0.562	0.148	0.278	0.148	0.277
Duration of illness	−0.246	0.068	−0.238	0.078	−0.247	0.067	−0.276	0.040*
CPZ equivalent	−0.138	0.309	−0.143	0.294	−0.046	0.739	−0.164	0.227
K-WAIS	0.328	0.022*	0.378	0.008**	0.193	0.184	0.341	0.017*
PANSS
Positive	−0.110	0.419	−0.388	0.003**	−0.099	0.468	−0.253	0.060
Negative	−0.059	0.666	−0.333	0.012*	−0.060	0.662	−0.162	0.233
General	−0.003	0.985	−0.307	0.021*	−0.025	0.857	−0.125	0.360
Total	−0.072	0.600	−0.400	0.002**	−0.074	0.589	−0.209	0.122
CGI-SCH
Positive symptoms	−0.159	0.241	−0.256	0.057	−0.195	0.151	−0.258	0.055
Negative symptoms	0.030	0.829	−0.264	0.049*	−0.085	0.535	−0.092	0.500
Depressive symptoms	−0.185	0.172	−0.317	0.017*	−0.192	0.156	−0.270	0.044*
Cognitive symptoms	−0.246	0.067	−0.488	<0.001***	−0.244	0.070	−0.377	0.004**
Overall severity	−0.231	0.086	−0.418	0.001**	−0.185	0.172	−0.339	0.011*
SOFAS	0.112	0.411	0.301	0.024*	0.045	0.743	0.167	0.218

CPZ, chlorpromazine; K-WAIS, Short-form of Korean-Wechsler Adult Intelligence Scale; PANSS, Positive and Negative Syndrome Scale; CGI-SCH, Clinical Global Impression-Schizophrenia scale; SOFAS, Social and Occupational Functioning Assessment Scale.

^*p<0.05;

^**p<0.01;

^***p<0.001.