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Guidance on the conversion of the Chinese versions of the Quick Inventory of Depressive Symptomatology-Self-Report (C-QIDS-SR) and the Montgomery-Asberg Scale (C-MADRS) in Chinese patients with major depression
Liu J.2; Xiang Y.-T.1; Lei H.5; Wang Q.2; Wang G.2; Ungvari G.S.3; Morris D.W.4; Zhu X.-Z.5; Lai K.Y.C.1; Zhong B.-L.1; Wong S.Y.S.1; Zhang L.2; Zhang Q.2; Zou Y.-C.2; Xiao L.2; Zhao Q.2; Li Y.2; Wu J.2; Zhang G.-F.2; Chiu H.F.K.1
2014
Source PublicationJournal of Affective Disorders
ISSN01650327 15732517
Volume152-154Issue:1Pages:530-533
Abstract

Background The 16-item Quick Inventory of Depressive Symptomatology-Self- Report (QIDS-SR) is a newly introduced screening tool, while the Montgomery-Asberg Scale (MADRS) is commonly used in research and clinical practice in China. Converting the total scores between the two instruments could facilitate the comparison of different studies. Methods This study included 1164 patients with major depressive disorder (MDD). The diagnosis was established using the Mini International Neuropsychiatric Interview (MINI). The severity of depressive symptoms was assessed with the Chinese versions of MADRS (C-MADRS) and QIDS-SR (C-QIDS-SR) at baseline and 6 weeks later (exit point). Total scores of both scales were converted using Item Response Theory (IRT) analysis. Results At baseline, the C-MADRS and C-QIDS-SR were not unifactorial, therefore the conversion between them could not be performed. At exit, the C-MADRS and C-QIDS-SR were unifactorial, meeting the unidimensionality assumption of the IRT approach. Depression severity thresholds for the QIDS-SR are suggested as 6-10 for mild, 11-15 for moderate, 16-20 for severe, 21+ for very severe depression and ≤5 for remission (www.ids-qids.org). Based on the results of this study, the corresponding C-MADRS thresholds are 9-17 for mild, 18-24 for moderate, 25-33 for severe, 34+ for very severe depression and ≤7 or 8 (7.5) for remission. Conclusions The conversion of C-QIDS-SR and C-MADRS total scores would help researchers understand findings across different studies using these scales. © 2013 Elsevier B.V.

KeywordChina Conversion Major Depressive Disorder Scale Self-report
DOI10.1016/j.jad.2013.09.023
URLView the original
Indexed BySCI
Language英语
WOS Research AreaNeurosciences & Neurology ; Psychiatry
WOS SubjectClinical Neurology ; Psychiatry
WOS IDWOS:000327763600077
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Health Sciences
Affiliation1.Chinese University of Hong Kong
2.Beijing An Ding Hospital, Capital Medical University
3.University of Western Australia
4.UT Southwestern Medical Center
5.Second Xiangya Hospital of Central-South University
6.University of Notre Dame Australia
Recommended Citation
GB/T 7714
Liu J.,Xiang Y.-T.,Lei H.,et al. Guidance on the conversion of the Chinese versions of the Quick Inventory of Depressive Symptomatology-Self-Report (C-QIDS-SR) and the Montgomery-Asberg Scale (C-MADRS) in Chinese patients with major depression[J]. Journal of Affective Disorders,2014,152-154(1):530-533.
APA Liu J..,Xiang Y.-T..,Lei H..,Wang Q..,Wang G..,...&Chiu H.F.K..(2014).Guidance on the conversion of the Chinese versions of the Quick Inventory of Depressive Symptomatology-Self-Report (C-QIDS-SR) and the Montgomery-Asberg Scale (C-MADRS) in Chinese patients with major depression.Journal of Affective Disorders,152-154(1),530-533.
MLA Liu J.,et al."Guidance on the conversion of the Chinese versions of the Quick Inventory of Depressive Symptomatology-Self-Report (C-QIDS-SR) and the Montgomery-Asberg Scale (C-MADRS) in Chinese patients with major depression".Journal of Affective Disorders 152-154.1(2014):530-533.
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