Case mix controlled service use and expenditures in the social health maintenance organization demonstration

Article Abstract:

An analysis of the expenditures among the members of the social health maintenance organization (S HMO) and fee-for-service recipients reveals a higher expenditure for S HMOs of all health status classes. Elderplan offered services to the 'frail' and the 'acutely ill' and incurred low expenses in four of the six classes. High hospital and nursing home charges led to an increase in the expenditures of SHP. These factors imply the need for a better management of S HMO operations.

Management, Social health maintenance organizations

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Commentary on "Mortality oscillations induced by periodic starvation alter sex-mortality differentials in Mediterranean fruit flies."(response to article by Carey et al, October, 1999 issue, page B424)

Article Abstract:

A study in Mediterranean fruit flies shows that male and female flies respond differently to periodic starvation. Males tolerated starvation better on a sugar-only diet whereas females tolerated starvation better sugar-protein diet.

Research, Mortality, Starvation

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Commentary on "Effects of food restriction on mechanical properties of the arterial system in adult and middle-aged rats."(study by Chang et al, October, 1999 issue, page B441)

Article Abstract:

Food restriction may alter the elastic properties of arteries, according to a study in rats. This could explain the link between excess weight and increased mortality in humans.

Physiological aspects, Reducing diets, Biomechanics, Arteries

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