Abstract
One-month and 6-month prevalence and symptom profiles of panic disorder from six cross-national epidemiologic studies are reported. These studies were conducted at five sites in the United States, Puerto Rico, Germany, Lebanon, Korea, and New Zealand. Results show that the 1 - and 6-month rates were consistent in the five sites in the United States and in other countries. There was a predominance of females in the rates of panic disorder in most countries. Palpitations and trembling were prevalent in 60% or more persons with panic disorder at all sites. The results show that panic disorder is present with similar phenomenology in diverse cultures that have been studied. Clinical Neuropharmacology, 18 (2), S1-S6

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