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Background: Depressive disorders greatly increase suicide risk; however, little is known about the contribution of comorbid anxiety disorders or anxiety symptoms to the risk of suicide death among depressed patients. We examined whether depressed veterans with comorbid anxiety had higher risks of suicide death. Methods: Using VA administrative databases we identified 887,859 patients with depression. We then used univariate and multivariate logistic regression, controlling for demographics and substance use disorders, to determine the odds ratios of completed suicide associated with individual comorbid anxiety disorders, the presence of any comorbid anxiety disorder, the prescription of an antianxiety medication, or the prescription of a high dose of an antianxiety medication. Results: In multivariate analyses, the odds of completed suicide were significantly increased for patients with panic disorder (OR 1 …