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Correlation study between WCST executive function and five factor score of PANSS in patients with schizophrenia at acute stage |
XIAO Jian-wen HUANG Li SHEN Ying |
Department of Psychiatry,the Third People's Hospital of Ganzhou City,Jiangxi Province,Ganzhou 341000,China |
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Abstract Objective To explore the correlation between Wisconsin card classification test(WCST)executive function and five factor score of PANSS in patients with schizophrenia at acute stage.Methods Patients with schizophrenia at acute stage hospitalized in our hospital from May to November 2017 were selected and 200 patients were included in the plan.The relevant demographic data and disease data in patients included were counted,such as age,age of onset,course of disease,length of education,etc.WCST was used to assess the executive function of the patients at the end of the first week of treatment.Total test times,correct response number,persistent error number,random error number and completing classification number were counted.At the end of the first week of treatment,positive and negative symptom scale(PANSS)was used to assess the psychiatric symptoms of patients in acute stage.Principal component analysis was performed on 30 items of PANSS,among them,9 items forming negative factors,7 items forming cognitive factors,4 items forming positive factors,4 items forming excitatory factors and 6 items forming anxiety and depression factors.The score of various factor was calculated respectively.Results WCST executive function scores of patients with different educational years,different age of onset and different negative and positive scores of PANSS were statistically significant(P<0.05).The educational years of the patients was negatively correlated with the total tests number,persistent error number and random error number(r=-0.01,-0.23,-0.18)respectively,and the educational years of the patients was positively correlated with correct response number,completing classification number(r=0.35,0.37)respectively.The age of onset was negatively correlated with persistent error number and random error number(r=-0.14,-0.35)respectively,and the age of onset was positively correlated with total test times,correct response number,completing classification number(r=0.31,0.17,0.14)respectively.The positive score of PANSS was negatively correlated with total test times,persistent error number and random error number (r=-0.09,-0.05,-0.08)respectively,and the positive score of PANSS was positively correlated with correct response number,completing classification number(r=0.17,0.15)respectively.The negative scoer of PANSS was negatively correlated with correct response number,completing classification number(r=-0.13,-0.36)respectively,and the negative score of PANSS was positively correlated with total test times,persistent error number and random error number(r=0.35,0.26,0.25)respectively.Pearson correlation analysis showed that the correct response number and completing classification number of WCST executive function were negatively correlated with negative symptom score of PANSS,and the persistent error number and random error number were positively correlated with negative symptom score,while the other items were not significantly correlated.Conclusion WCST executive function defect exists in patients with schizophrenia at acute stage,and it has certain correlation with negative symptoms.The study of executive function in patients with schizophrenia at acute stage will be more conducive to diagnosis,disease prediction,prognosis judgment,treatment and rehabilitation of patients.
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