The PHQ-PD as a screening tool for panicdisorder in theprimarcarsetting in Spain.



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Muñoz Navarro, Roger and Cano Vindel, Antonio and Wood, Cristina Mae and Ruíz Rodríguez, Paloma and Medrano, Leonardo Adrián and Limonero, Joaquín T and Tomás Tomás, Patricia and Gracia-Gracia, Irene and Dongil Collado, Esperanza and Iruarrizaga, M Iciar (2016) The PHQ-PD as a screening tool for panicdisorder in theprimarcarsetting in Spain. PloS one, 11 (8). e0161145. ISSN 1932-6203

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Panic disorder is a common anxiety disorder and is highly prevalent in Spanish primary care centres. The use of validated tools can improve the detection of panic disorder in primary care populations, thus enabling referral for specialized treatment. The aim of this study is to determine the accuracy of the Patient Health Questionnaire-Panic Disorder (PHQ-PD) as a screening and diagnostic tool for panic disorder in Spanish primary care centres.

We compared the psychometric properties of the PHQ-PD to the reference standard, the Structured Clinical Interview for DSM-IV Axis I Disorders (SCID-I) interview. General practitioners referred 178 patients who completed the entire PHQ test, including the PHQ-PD, to undergo the SCID-I. The sensitivity, specificity, positive and negative predictive values and positive and negative likelihood ratios of the PHQ-PD were assessed.

The operating characteristics of the PHQ-PD are moderate. The best cut-off score was 5 (sensitivity .77, specificity .72). Modifications to the questionnaire's algorithms improved test characteristics (sensitivity .77, specificity .72) compared to the original algorithm. The screening question alone yielded the highest sensitivity score (.83).

Although the modified algorithm of the PHQ-PD only yielded moderate results as a diagnostic test for panic disorder, it was better than the original. Using only the first question of the PHQ-PD showed the best psychometric properties (sensitivity). Based on these findings, we suggest the use of the screening questions for screening purposes and the modified algorithm for diagnostic purposes.

Item Type:Article
Uncontrolled Keywords:Anxiety disorders ; Family medicine ; Community Health Services ; Panic
Subjects:Medical sciences > Psychology > Clinical psychology and psychodiagnostics
ID Code:40802
Deposited On:28 Apr 2017 09:40
Last Modified:29 Nov 2018 12:56

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