Table 4.

Correlations between the KBS Korean Language Test and cognitive functions in patients with schizophrenia

Variable	Listening comprehension		Reading comprehension		Creativity		Total score
	r	p	r	p	r	p	r	p
WCST
PR	−0.147	0.318	0.129	0.381	−0.158	0.284	−0.065	0.659
PE	−0.160	0.278	0.112	0.448	−0.167	0.258	−0.083	0.576
CA	0.331	0.021*	0.248	0.090	0.388	0.007**	0.395	0.006**
K-UPSA
Financial	0.368	0.005**	0.491	<0.001***	0.197	0.147	0.405	0.002**
Communication	0.451	0.001**	0.432	0.001**	0.332	0.013*	0.494	<0.001***
Comprehension/Planning	0.083	0.542	−0.079	0.564	0.097	0.475	0.039	0.775
Transportation	0.429	0.001**	0.543	<0.001***	0.316	0.018*	0.524	<0.001***
Household skills	0.204	0.131	0.191	0.160	0.173	0.203	0.202	0.136
Total score	0.458	<0.001***	0.470	<0.001***	0.346	0.001**	0.500	<0.001***

WCST, Wisconsin Card Sorting Test; PR, Perseverative Responses; PE, Perseverative Errors; CA, Categories Achieved; K-UPSA, the Korean version of the University of California San Diego (UCSD) Performance-based Skills Assessment.

^*p<0.05;

^**p<0.01;

^***p<0.001.