Table 4.

Correlation between EPS scale score and symptoms of schizophrenia with Spearman correlation analysis

Item	SAS total score	BARS global score	AIMS total score
PANSS positive total score	R=−0.02 p=0.375	R=0.08 p=0.048*	R=−0.01 p=0.759
PANSS negative total score	R=0.20 p<0.001**	R=0.05 p=0.225	R=0.09 p=0.018*
PANSS general psychopathological total score	R=0.12 p=0.002***	R=0.13 p=0.001**	R=0.07 p=0.054
PANSS total score	R=0.13 p=0.001**	R=0.11 p=0.005***	R=0.10 p=0.072
CDSS total score	R=0.07 p=0.074	R=0.26 p<0.001**	R=0.03 p=0.483

*p≤0.05; **p≤0.01; ***p≤0.001.

AIMS, Abnormal Involuntary Movement Scale; BARS, Barnes Akathisia Rating Scale; CDSS, Calgary Depression Scale for Schizophrenia; EPS, extrapyramidal symptoms; PANSS, Positive and Negative Symptoms Scale; SAS, Simpson-Angus Scale.