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.