Prevalence and incidence of XXXX in Wichita, Kansas.

@entity1 @entity5815 @entity146
BACKGROUND: @entity5815 ( @entity5815 ) is a debilitating illness with no known cause or effective therapy. Population-based epidemiologic data on @entity5815 prevalence and incidence are critical to put @entity5815 in a realistic context for public health officials and others responsible for allocating resources and for practicing physicians when examining and caring for @entity1 . METHODS: We conducted a random digit-dialing survey and clinical examination to estimate the prevalence of @entity5815 in the general population of Wichita, Kan, and a 1-year follow-up telephone interview and clinical examination to estimate the incidence of @entity5815 . The survey included 33 997 households representing 90 316 residents. This report focuses on 7162 respondents aged 18 to 69 years. Fatigued (n = 3528) and randomly selected nonfatigued (n = 3634) respondents completed telephone questionnaires concerning fatigue, other symptoms, and medical history. The clinical examination included the Diagnostic Interview Schedule for Diagnostic and Statistical Manual of @entity146 , Fourth Edition, laboratory testing, and a physical examination. RESULTS: The overall weighted point prevalence of @entity5815 , adjusted for nonresponse, was 235 per 100,000 @entity1 (95% confidence interval, 142-327 per 100,000 @entity1 ). The prevalence of @entity5815 was higher among @entity1 , 373 per 100,000 @entity1 (95% confidence interval, 210-536 per 100,000 @entity1 ), than among @entity1 , 83 per 100,000 @entity1 (95% confidence interval, 15-150 per 100,000 @entity1 ). Among subjects nonfatigued and fatigued for less than 6 months, the 1-year incidence of @entity5815 was 180 per 100,000 @entity1 (95% confidence interval, 0-466 per 100,000 @entity1 ). CONCLUSIONS: @entity5815 constitutes a major public health problem. Longitudinal follow-up of this cohort will be used to further evaluate the natural history of this illness.
