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Panic disorder, cardiac diagnosis and emergency department utilization in an epidemiologic community sample
Daphne J Korczak1, Benjamin I Goldstein, Anthony J Levitt
1Department of Psychiatry, The University of Toronto, Toronto, Ontario, Canada M5S 1A1. daphne.korczak@sickkids.ca
Objective:
We examined the association between panic disorder (PD), physician-diagnosed cardiac disease (CD), and the interaction of these variables in relation to health care utilization, as measured by emergency department (ED) visitations, in an epidemiologic sample.
Methods:
Subjects were identified from the National Epidemiologic Survey on Alcohol and Related Conditions, a nationally representative sample of 43,093 adult respondents from the United States who completed face-to-face computer-assisted structured clinical interviews.
Results:
Among patients with CD, the 12-month prevalence of PD (6.0%; 613/10,239) was significantly higher than that among non-CD subjects (3.4%; 1106/32,854; adjusted odds ratio=2.4; 95% confidence interval=2.2-2.7). CD patients with PD had a significantly greater prevalence of angina, tachycardia and alcohol use disorders as compared with PD-negative patients. PD-positive patients reported significantly greater mean 12-month ED visits (1.2) as compared with the PD-negative patients (0.6; P<.001). PD and tachycardia were found to have a significant interaction effect on ED visits for males (F=25.1; df=1,7; P<.001) but not for females (F=1.2; df=1,7; P=.28), with age, income, race and alcohol use included as covariates.
Conclusions:
Epidemiological data support a relationship between PD and CD that impacts ED utilization. These findings have potential implications for medical, psychiatric and ED-based screening and interventions.
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