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Q Are phobic anxiety and depression associated with ventricular arrhythmia?
Prospective cohort study.
Duke Medical Centre, North Carolina, USA; enrolment April 1999 to June 2002.
940 adults (aged 29–90 years) with coronary artery disease (prior heart attack or revascularisation procedure, or ⩾75% stenosis of one coronary artery) attending hospital for diagnostic cardiac catheterisation. Exclusions: abnormal sinus rhythm at baseline; myocardial infarction or revascularisation procedure in the previous month; major non-affective psychiatric disorder; communication difficulties.
Phobic anxiety was assessed using the Crown-Crisp phobic anxiety subscale. To assess the effect of phobic anxiety as a predictor of outcome, participants in the middle of the upper half of the phobic anxiety score distribution were compared with those in the middle of the lower half of the phobic …
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