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- W2960954693 abstract "The two-item generalized anxiety disorder scale (GAD-2) has been investigated in different populations, but with limited evaluation in the Chinese population. This study aimed to validate the diagnostic accuracy of GAD-2 for identifying GAD through a validation study along with an updated meta-analysis.We recruited 694 adults in 2015 from the Henan Rural Cohort study where the GAD-7 questionnaire was adopted as the gold standard diagnosis. Receiver operating characteristics (ROC) curve and Cronbach's α were determined. Furthermore, a meta-analysis was conducted to evaluate the effectiveness of the GAD-2.In this study, 37 patients [5.33%; 95% confidence interval (CI): 3.78-7.27%] met the criteria for current GAD. The GAD-2 showed a Cronbach's alpha of 0.806 and an area under the ROC curve (AUC) of 0.954 (95% CI: 0.936-0.968). At a cutoff of 3, GAD-2 had highest Youden's index of 0.845, with a sensitivity of 0.865 and a specificity of 0.980. A total of 13 studies were included in the meta-analysis. The pooled sensitivity, specificity and diagnostic odds ratio (DOR) were 0.80, 0.82 and 17.81, respectively, at the optimal cutoff of 3.GAD-2 has acceptable properties for identifying GAD at a cutoff of 3 in the Chinese rural population." @default.
- W2960954693 created "2019-07-23" @default.
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- W2960954693 date "2019-09-01" @default.
- W2960954693 modified "2023-10-15" @default.
- W2960954693 title "Adaptation of the two-item generalized anxiety disorder scale (GAD-2) to Chinese rural population: A validation study and meta-analysis" @default.
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- W2960954693 doi "https://doi.org/10.1016/j.genhosppsych.2019.07.008" @default.
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