Aging Index
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Glossary
that are being compared. Standardizing is done with respect to a reference, or standard, age-structure (e.g., WHO standards).
Age-Standardized Rates Definition This is a method that removes the influence of age, therefore allowing one to compare populations that have different age structures. This is necessary because the rates of many diseases vary considerably with age. The method involves converting the age structure of each population to a ‘‘standard’’ structure. The disease rates that would have occurred in a population of that structure are then calculated and compared.
Age-Weighting Definition A mathematical device to differentially weight the contribution to SEYLL (and DALY) measures according to age. It generally assigns less weight to the elderly and young. A method to adjust data for the assumption, particularly in developing nations, that a year of healthy life has greater social value during early adulthood than during earlier or later life. This assumption reflects the general pattern of economic productivity during the life cycle.
Age-Weighting Function Definition Age-Weighting Functions allow varying weights, or importance, to be applied to different ages in the calculation of years of life lost. Ages of the most productivity or giving care to others are usually given the highest weights.
Aging Index Definition The Aging Index refers to the number of elders per 100 persons younger than 15 years old in a specific population. This index increases as population ages.
Aging Males’ Symptoms Scale Definition The AMS Scale is a valuable tool for assessing health-related quality of life in aging men, because it is used worldwide. It is a standardized scale according to psychometric norms.
Agonist Definition In pharmacology, an Agonist is a drug that augments naturally occurring, or endogenous, chemicals by mimicking their effects on cell receptors. An agonist triggers the same biochemical responses in receptor cells as the endogenous chemicals, increasing its overall effect on a system.
AIDS ▶ Acquired Immuno Deficiency Syndrome
AIMS ▶ Arthritis Impact Measurement Scales
Alanine Aminotransferase ▶ ALT
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