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Prevalence
| Toxic Substances Glossary |
- The number of existing disease cases in a defined population during a specific time period [contrast with incidence].
- The number of cases of a disease in a specific place at a specific time the prevalence of malaria in some tropical countries the prevalence of cases of malnutrition in large towns a high prevalence of renal disease
- Поражённость распространенность 61 суммарная совокупность случаев клинически выраженных заболеваний и/или носительства возбудителя какой-либо инфекционной (паразитарной) болезни среди населения определенной территории в определенный отрезок времени. prevalence rate, syn. proportion prevalence
- Распространенность. частота конкретного события в изучаемой популяции.
- Поражённость распространенность
- The total number or proportion of individuals in a population ill with a specific disease
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Prevalencia, испанский
Превалентность, русский
Распространенность, русский
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Population, английский
- A definable set of individual units to which the findings from statistical examination of a sample subset are intended to be applied. the population will generally much outnumber the sample. in re-randomisation statistics the process of applying inference
- See stock.
- A collection of units being studied. units can be people, places, objects, epochs, drugs, procedures, or many other things. much of statistics is concerned with estimating numerical properties (parameters) of an entire population from a random sample of units from the population.
- A group or number of people living within a specified area or sharing similar characteristics (such as occupation or age).
- Население; народонаселение; генеральная совокупность (в выборочном наблюдении); популяция (биол)
- Население
- 1. the number of people living in a country or town population statistics show that the birth rate is slowing down. the government has decided to screen the whole population of the area. 2. the number of patients in hospital the hospital population in the area has fallen below 10,000.
- Популяция
- Население; популяция -
- Популяция. в клинических исследованиях совокупность субъектов, обладающих какими-либо одинаковыми признаками (пол, возраст, диагноз).
- Население; популяция
- Any group of individuals, usually of a single species, occupying a given area at the same time; groups of organisms with homologue (same) alleles. p. cycle: changes in the numbers of individuals in a population which repeatedly oscillate between periods of high and low density. p. density: allowing a mathematically precise reflection - pd. • absolute: pd = number of individuals/unit area or volume [1/m2] or [1/m3] • relative: pd allows only a simple comparison (pd <, =, >, ? etc.). p. dynamics: the variations in time and space in the sizes and densities of populations; distribution due to changing food resources - the stability of a population depends upon abiotic factors, intraspecific competition (density dependent), natality, mortality etc. p. ecology: the study of the variations in time and space in the sizes and densities of populations, and of the factors causing those variations. p. fluctuation: variations over time in the size of a population. p. growth: is zero, when the birth rate equals the death rate (see carrying capacity). nt+1 = nt + r nt, current number of individuals r = (natality + immigration) - (mortality+emigration) r, intrinsic rate of growth (see density) p. pyramid: a means of illustrating the age structure of a population diagrammatically, by placing the youngest age class at the base and stacking successive age classes above it. p. regulation : a tendency in a population for some factor to cause density to increase when it is low and to decrease nt, momentary number of individuals when it is high. n0, number of individuals at start
- Generally, a collection of individuals with common characteristics. in statistics, a potentially infinite collection of independent (->independence) units that include all units of a specified type with attention paid only to the agggregate (->aggregation) property of the collection. a sample of data drawn from this population is a subset of the units constituting this population and scientific generalizations from such samples are limited by the size of the population originally specified (->model, ->representation).
- The process of scanning content to compile and maintain an index.
- Fish of the same species inhabiting a specified geographic area.
Malnutrition, английский
- 1. a lack of food or of good-quality food, leading to ill-health 2. the state of not having enough to eat
- Недоедание
Совокупность, русский
- Совокупность , круг, собрание, сумма
- Непрерывное множество, целое, сочетание, соединение, общий итог, сумма.
Клинически, русский
- Различают: 1) усиление в. д. при недостатке в организме окислит, процессов; 2) ослабление в. д. при потере эластичности легочной ткани (эмфизема легких), при стенозе, отеке трахеи и гортани; 3) отсутствие в. д. и шума дыхания вообще отмечается на огранич.
- Протеинурией
Определенный, русский
Определенный, известный, данный, назначенный, урочный. ср. известный. , известный
Proportion, английский
- A quantity of something, especially as compared to the whole a high proportion of cancers can be treated by surgery. the proportion of outpatients to inpatients is increasing. ‘…the target cells for adult myeloid leukaemia are located in the bone marrow, and there is now evidence that a substantial proportion of childhood leukaemias also arise in the bone marrow’ [british medical journal]
- Доля; отношение; пропорция prospective (cohort) study
- Доля; отношение; пропорция
- In naval architecture, the length, breadth, and height of a vessel, having a due consideration to her rate, and the object she is intended for.
- Пропорция; состав (смеси и т.п.); пропорциональная часть || составлять, дозировать
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Public health surveillance, английский
The ongoing, systematic collection, analysis, and interpretation of health data. this activity also involves timely dissemination of the data and use for public health programs.
Prevalence survey, английский
The measure of the current level of disease(s) or symptoms and exposures through a questionnaire that collects self-reported information from a defined population.
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