Journal ArticleDOI
Impact of epidemic type a influenza in a defined adult population
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TLDR
The authors study the occurrence of excess morbidity and mortality among subsets of the adult population of a large prepaid group practice during two epidemics of type A influenza to provide a basis for increasing the precision of clinical and public decision-making regarding the prevention of serious consequences of epidemic influenza.Abstract:
The authors studied the occurrence of excess morbidity and mortality among subsets of the adult population (persons over 14 years of age) of a large prepaid group practice during two epidemics of type A influenza (1968-1969 and 1972-1973). The experience from 1970-1971, a nonepidemic years, was used as a reference for estimating excesses. Ambulatory visits for influenza and influenza-related acute respiratory disease increased by 5-7 visits per 100 persons (30-50% excess) and pneumonia and influenza (P&I) hospitalization rates increased by 79-86 per 100,000 (140-150% excess) over the rates in the nonepidemic period. There were 11-13 excess deaths per 100,000 population, most of which involved persons over 65 years of age. Excess rates of ambulatory visits were similar for all adult age groups. Excess rates of persons hospitalized with P&I ranged from 23-25 per 100,000 among non-high risk persons aged 15-44 years to 150-172 per 100,000 among persons over age 65 years without underlying "high risk" conditions and 476-636 per 100,000 persons over 65 with underlying "high risk" conditions. These data provide a basis for increasing the precision of clinical and public decision-making regarding the prevention of serious consequences of epidemic influenza.read more
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References
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Journal ArticleDOI
Interpandemic Influenza in the Houston Area, 1974–76
Glezen Wp,Couch Rb +1 more
TL;DR: Observations support the concept of rapid dissemination of influenza among schoolchildren and suggest that control of epidemic influenza might be facilitated by prophylaxis for that age group and other accessible, healthy populations.
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How do health-maintenance organizations achieve their "savings"?
TL;DR: Health-maintenance organizations have been suggested as a way to stop spiraling medical costs, and theoretical considerations suggest that the shift from fee for service to a fixed budget for the providers (physicians and hospitals) will result in substantial savings as discussed by the authors.
Journal Article
Observations on excess mortality associated with epidemic influenza.
TL;DR: In this article, a total of 86,000 excess deaths in excess of the normally expected number occurred in the United States as a result of the 3 epidemic prevalences of influenza in the period 1957-1960.
Journal ArticleDOI
Observations on excess mortality associated with epidemic influenza.
TL;DR: The high-risk groups were demonstrated to be persons over 65 years of age, persons with certain associated chronic diseases, particularly cardiovascular disease and broncho-pulmonary disease, and pregnant women.