IMPACT FACTOR: 0.5 INDEXED IN WEB OF SCIENCE
Psychiatry and Clinical Psychopharmacology
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Original Article

Establishing the cut-off score for aggression on the Brief Psychiatric Rating Scale-Excited Component (BPRS-EC) in schizophrenia patients

Seon-Cheol Park 1 , Eun Young Jang 2 , Gyung-Mee Kim 1 , Ajit Avasthi 3 , Sandeep Grover 3 , Andi Jayalangkara Tanra4 , Takahiro A. Kato 5 , Kok Yoon Chee 6 , Mian-Yoon Chong 7 , Afzal Javed 8 , Chay Hoon Tan 9 , Norman Sartorius 10 , Naotaka Shinfuku 11 , Yong Chon Park 12
1.

Department of Psychiatry, Inje University Haeundae Paik Hospital, Busan, Republic of Korea

2.

Department of Counselling Psychology, Honam University College of Humanities and Social Sciences, Gwangju, Republic of Korea

3.

Department of Psychiatry, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India

4.

Department of Psychiatry, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia

5.

Department of Neuropsychiatry, Graduate School of Medicine, Kyushu University, Fukuoka, Japan

6.

Tunku Abdul Rahman Institute of Neuroscience, Kuala Lumpur Hospital, Kuala Lumpur, Malaysia

7.

Chang Gung Memorial Hospital, Chang Gung University School of Medicine, Chiayi, Taiwan

8.

Pakistan Psychiatric Research Centre, Fountain House, Lahore, Pakistan; i Department of Pharmacology, National University Hospital, Singapore, Singapore

9.

Department of Pharmacology, National University Hospital, Singapore, Singapore

10.

Association for the Improvement of Mental Health Programmes, Geneva, Switzerland

11.

Department of Social Welfare, School of Human Sciences, Seinan Gakuin University, Fukuoka, Japan

12.

Department of Neuropsychiatry, Hanyang University Guri Hospital, Guri, Republic of Korea

Psychiatry and Clinical Psychopharmacology 2019; 29: 407-410
DOI: 10.1080/24750573.2019.1626067
Keywords : Aggression; Brief Psychiatric Rating Scale-Excited Component (BPRS-EC); schizophrenia; excitement; hostility; uncooperativeness
Read: 1296 Downloads: 698 Published: 08 February 2021
Volume 29, Issue 4, December 2019
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OBJECTIVE: We aimed to present the scalability and cut-off score for the presence of aggression on the Brief Psychiatric Rating Scale-Excited Component (BPRS-EC) in schizophrenia patients.

METHODS: From the Research on Asian Psychotropic Prescription Patterns for Antipsychotics, 1,438 Asian patients with schizophrenia were recruited in present study. The Mokken analysis was used to evaluate scalability of the BPRS-EC. The receiver operating characteristic (ROC) curve was used to establish the optimal cut-off score for the presence of aggression on the BPRS-6 in schizophrenia patients.

RESULTS: The Mokken model presented that the scalability of the BPRS-EC was considered to have a strong “unidimensionality” (coefficient of scalability = 0.57). The ROC curve showed that, with the cut-off score of 5, the total score on the BPRS-EC distinguished the absence and presence of aggression in schizophrenia patients.

CONCLUSION: The BPRS-EC can be used as a supplementary scale for evaluating aggression in patients with schizophrenia.

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EISSN 2475-0581