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The full PHQ-9 showed substantially better test-retest concordance than the PHQ-2 alone for identifying depressed AMI patients, with moderate agreement (Kappa 0.51) versus only fair agreement (Kappa 0.29) between clinical screening and concurrent registry assessments.
Effect sizeKappa = 0.51 (PHQ-9) vs Kappa = 0.29 (PHQ-2)
CI95% CI 42.8%-80.2% (PHQ-9 positive case agreement)
ComparatorPHQ-2 alone (2-item brief screen) as used in the first step of the AHA-recommended 2-step protocol
Effect summaryimprovement; Kappa = 0.51 (PHQ-9) vs Kappa = 0.29 (PHQ-2); CI: 95% CI 42.8%-80.2% (PHQ-9 positive case agreement)

Connected entities

Interventions
Assessment using PHQ-9 depression questionnaire
Conditions
Depression
Outcomes
Depression screening

Source

PMC3336360
Real-World Lessons From the Implementation of a Depression Screening Protocol in Acute Myocardial Infarction Patients: Implications For the AHA Depression Screening Advisory
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