An updated systematic review and meta-analysis of the predictive validity of the general anxiety disorder (GAD)-7 and GAD-2 in screening for anxiety disorders
{"title":"An updated systematic review and meta-analysis of the predictive validity of the general anxiety disorder (GAD)-7 and GAD-2 in screening for anxiety disorders","authors":"Seong-Hi Park , Sun Kyung Park","doi":"10.1016/j.jad.2025.119913","DOIUrl":null,"url":null,"abstract":"<div><h3>Background</h3><div>This study was an updated systematic review and meta-analysis to examine the validity of the general anxiety disorder (GAD)-7 and GAD-2 for GAD and other anxiety disorders.</div></div><div><h3>Methods</h3><div>Electronic searches were performed using MEDLINE, EMBASE, CINAHL, and PsycArticles databases. This review compared the predictive validity of the GAD-7, GAD-2, and other anxiety screening tools and conducted a subgroup analysis based on the GAD-7 according to the target anxiety and participant characteristics.</div></div><div><h3>Results</h3><div>In total, 45 studies were selected based on the inclusion criteria. The sensitivity of GAD-7 (43 studies) was 0.81 (95 % CI, 0.78–0.84), specificity was 0.78 (95 % CI, 0.74–0.81), and sROC AUC was 0.87. For GAD-2 (13 studies), the sensitivity was 0.78 (95 % CI, 0.73–0.83), specificity was 0.81 (95 % CI, 0.73–0.86), and sROC AUC was 0.86. For other anxiety screening tools (seven studies) the sensitivity was 0.78 (95 % CI, 0.74–0.82), specificity was 0.81 (95 % CI, 0.74–0.86), sROC AUC was 0.86. In the subgroup analysis according to anxiety targets, when measuring GAD alone, the sensitivity and specificity of GAD-7 were higher than those of other anxiety disorders, with an sROC AUC of 0.88 versus 0.84. In the subgroup analysis of the participants, the sensitivity in patients with epilepsy was 0.89, which was higher than that in other participants.</div></div><div><h3>Conclusions</h3><div>This study demonstrated that the GAD-7 had adequate diagnostic accuracy, suggesting that it can help screen patients with anxiety disorders. Moreover, the GAD-7 has a high screening validity for anxiety in patients with epilepsy.</div></div>","PeriodicalId":14963,"journal":{"name":"Journal of affective disorders","volume":"391 ","pages":"Article 119913"},"PeriodicalIF":4.9000,"publicationDate":"2025-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of affective disorders","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0165032725013552","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CLINICAL NEUROLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Background
This study was an updated systematic review and meta-analysis to examine the validity of the general anxiety disorder (GAD)-7 and GAD-2 for GAD and other anxiety disorders.
Methods
Electronic searches were performed using MEDLINE, EMBASE, CINAHL, and PsycArticles databases. This review compared the predictive validity of the GAD-7, GAD-2, and other anxiety screening tools and conducted a subgroup analysis based on the GAD-7 according to the target anxiety and participant characteristics.
Results
In total, 45 studies were selected based on the inclusion criteria. The sensitivity of GAD-7 (43 studies) was 0.81 (95 % CI, 0.78–0.84), specificity was 0.78 (95 % CI, 0.74–0.81), and sROC AUC was 0.87. For GAD-2 (13 studies), the sensitivity was 0.78 (95 % CI, 0.73–0.83), specificity was 0.81 (95 % CI, 0.73–0.86), and sROC AUC was 0.86. For other anxiety screening tools (seven studies) the sensitivity was 0.78 (95 % CI, 0.74–0.82), specificity was 0.81 (95 % CI, 0.74–0.86), sROC AUC was 0.86. In the subgroup analysis according to anxiety targets, when measuring GAD alone, the sensitivity and specificity of GAD-7 were higher than those of other anxiety disorders, with an sROC AUC of 0.88 versus 0.84. In the subgroup analysis of the participants, the sensitivity in patients with epilepsy was 0.89, which was higher than that in other participants.
Conclusions
This study demonstrated that the GAD-7 had adequate diagnostic accuracy, suggesting that it can help screen patients with anxiety disorders. Moreover, the GAD-7 has a high screening validity for anxiety in patients with epilepsy.
期刊介绍:
The Journal of Affective Disorders publishes papers concerned with affective disorders in the widest sense: depression, mania, mood spectrum, emotions and personality, anxiety and stress. It is interdisciplinary and aims to bring together different approaches for a diverse readership. Top quality papers will be accepted dealing with any aspect of affective disorders, including neuroimaging, cognitive neurosciences, genetics, molecular biology, experimental and clinical neurosciences, pharmacology, neuroimmunoendocrinology, intervention and treatment trials.