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The 2-item Generalized Anxiety Disorder scale had high sensitivity and specificity for detecting GAD in primary care
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 Q In primary care patients, is a brief anxiety measure (Generalized Anxiety Disorder [GAD] scale) accurate for detecting GAD, panic disorder, social anxiety disorder, or post-traumatic stress disorder?

Clinical impact ratings GP/FP/Primary care ★★★★★☆☆ GP/FP/Mental health ★★★★★★☆ Psychiatry ★★★★★☆☆

METHODS

Embedded ImageDesign:

blinded comparison of GAD scale with psychiatric diagnoses based on DSM-IV criteria.

Embedded ImageSetting:

15 primary care centres (13 family practice and 2 internal medicine) in 12 states in the US.

Embedded ImagePatients:

965 patients who were 18–87 years of age (mean age 47 y, 69% women), completed a self-report questionnaire, and were randomly selected from 1654 patients who agreed to a follow-up telephone interview.

Embedded ImageDescription of test:

GAD-7, a 7-item anxiety scale. Scores ranged from 0 to 21; scores of 5, 10, and 15 indicated mild, moderate, and severe anxiety symptoms, respectively. The …

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