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KMID : 0389420110190040405
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Korean Journal of Stress Research
2011 Volume.19 No. 4 p.405 ~ p.410
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Use of the PHQ-2/PHQ-9 Serial Screening Instrument for Detecting Major Depressive Disorder in Primary Care
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Kim Seong-Rai
Shin Ho-Cheol
Lee Duk-Chul
Kim Cheol-Hwan
Sung Eun-Ju
Lee Gye-Hwa
Kim Ja-Young
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Abstract
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In Primary care, many screening tools to detect depression are used. Patient health questionnaires (PHQ)-2/PHQ-9 serial screening is reported to be more efficient than other questionnaires in primary setting in western country. Therefore, we identified the efficacy of PHQ-2/PHQ-9 serial screening in primary care setting in Korea. We compared PHQ-2/PHQ-9 serial screening with other screening tools in terms of diagnostic accuracy and time required to detect Major depressive disorder (MDD). Total 201 ambulatory patients completed questionnaires in a family practice center at one university hospital. Then, the subjects were interviewed by family doctors according to DSM-IV criteria. The reliability, sensitivity, specificity and the time required to finish PHQ-2/PHQ-9 serial screening were examined and compared to other screening tools (PHQ-2, PHQ-9, BDI). There were 27 patients in the MDD group and 174 in the non-MDD group. The Cronbach’s alpha of PHQ-2, PHQ-9, and BDI was 0.730, 0.863, and 0.905, respectively. The diagnostic accuracy of PHQ-2/PHQ-9 serial screening was 87.0%, which is superior to those of PHQ-2, PHQ-9, and BDI (69.2%, 81.6% and 72.6%, respectively) The estimated time required of PHQ-2/PHQ-9 serial screening, about 132.9±6.1 seconds, was less than those of BDI, about 224.17±11.9 seconds. PHQ-2/PHQ-9 serial screening had a better diagnostic accuracy and took less time than the other screening tools for depression. Therefore, PHQ-2/PHQ-9 serial screening is the most useful measure for detecting depression in primary care.
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KEYWORD
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Depression, Screening, PHQ, BDI
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