Psychology & health · 2020
Examination of the best cut-off points of PHQ-2 and GAD-2 for detecting depression and anxiety in Italian cardiovascular inpatients.
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Giuliani Mattia, Gorini Alessandra, Barbieri Simone, Veglia Fabrizio, Tremoli Elena
Аннотация
OBJECTIVE: Despite the frequent association between anxiety, depression and cardiovascular diseases (CVD), cardiovascular inpatients are not usually screened for these psychopathological conditions. To fill this gap, especially in hospital environments, there is the need of brief screening instruments that provide reliable information in a very short time. According to this need, the aim of this study was to examine the best cut-off points of two brief and easy-to-use questionnaires in a sample of Italian cardiovascular inpatients: the 2-item Patient Health Questionnaire (PHQ-2) and the 2-item Generalized Anxiety Disorder (GAD-2).
DESIGN: 3500 cardiovascular inpatients were recruited and completed both the 9-item Patient Health Questionnaire (PHQ-9) and the 7-item Generalized Anxiety Disorder (GAD-7). PHQ-2 and GAD-2 were then obtained extracting the first two item from PHQ-9 and GAD-7.
MAIN OUTCOME MEASURES: The PHQ-2 and GAD-2 psychometric properties were calculated comparing them with PHQ-9 and GAD-7, respectively.
RESULTS: The PHQ-2 threshold of ≥ 2 and the GAD-2 threshold of ≥ 3 are the best solutions in balancing between sensitivity and specificity, also providing acceptable rates of false positives and false negatives.
CONCLUSIONS: the PHQ-2 and GAD-2 Italian versions showed good diagnostic features for measuring depression and anxiety in CVD patients.
DESIGN: 3500 cardiovascular inpatients were recruited and completed both the 9-item Patient Health Questionnaire (PHQ-9) and the 7-item Generalized Anxiety Disorder (GAD-7). PHQ-2 and GAD-2 were then obtained extracting the first two item from PHQ-9 and GAD-7.
MAIN OUTCOME MEASURES: The PHQ-2 and GAD-2 psychometric properties were calculated comparing them with PHQ-9 and GAD-7, respectively.
RESULTS: The PHQ-2 threshold of ≥ 2 and the GAD-2 threshold of ≥ 3 are the best solutions in balancing between sensitivity and specificity, also providing acceptable rates of false positives and false negatives.
CONCLUSIONS: the PHQ-2 and GAD-2 Italian versions showed good diagnostic features for measuring depression and anxiety in CVD patients.