proportion


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Related to proportion: Direct proportion

prevalence

Epidemiology
(1) The number of people with a specific condition or attribute at a specified time divided by the total number of people in the population.
(2) The number or proportion of cases, events or conditions in a given population.
 
Statistics
A term defined in the context of a 4-cell diagnostic matrix (2 X 2 table) as the amount of people with a disease, X, relative to a population.

Veterinary medicine
(1) A clinical estimate of the probability that an animal has a given disease, based on current knowledge (e.g., by history of physical exam) before diagnostic testing.
(2) As defined in a population, the probability at a specific point in time that an animal randomly selected from a group will have a particular condition, which is equivalent to the proportion of individuals in the group that have the disease. Group prevalence is calculated by dividing the number of individuals in a group that have a disease by the total number of individuals in the group at risk of the disease. Prevalence is a good measure of the amount of a chronic, low-mortality disease in a population, but is not of the amount of short duration or high-fatality disease. Prevalence is often established by cross-sectional surveys.

proportion

percentage or fraction of a whole. Often expressed also as a rate or ratio by comparison to a total or other population.

proportion differences
estimating the significance of differences between two proportional morbidities or mortalities.

Patient discussion about proportion

Q. I have found that my body weight has high proportion of water in total weight.. I have found that my body weight has high proportion of water in total weight, and it makes me to take less water and there by increasing my thirst, which in turn stresses my body a lot, what can I do to reduce this problem…..?

A. Your body has a way of compensating when it is lacking something. When you are dehydrated, your body will retain fluids, hence the excess water.
drink plenty of water daily and you will find that you will lose this puffiness as your body adjusts to getting what it needs.

More discussions about proportion
References in classic literature ?
acted upon another principle; and in distinguishing between what was ancient and modern, forgot, as it appears to me, that extensive neutral ground, the large proportion, that is, of manners and sentiments which are common to us and to our ancestors, having been handed down unaltered from them to us, or which, arising out of the principles of our common nature, must have existed alike in either state of society.
He who would imitate an ancient language with success, must attend rather to its grammatical character, turn of expression, and mode of arrangement, than labour to collect extraordinary and antiquated terms, which, as I have already averred, do not in ancient authors approach the number of words still in use, though perhaps somewhat altered in sense and spelling, in the proportion of one to ten.
I had an entire set of silver dishes and plates, and other necessaries, which, in proportion to those of the queen, were not much bigger than what I have seen in a London toy-shop for the furniture of a baby-house: these my little nurse kept in her pocket in a silver box, and gave me at meals as I wanted them, always cleaning them herself.
Besides other impediments, it may be remarked that, where there is a consciousness of unjust or dishonorable purposes, communication is always checked by distrust in proportion to the number whose concurrence is necessary.
A rage for paper money, for an abolition of debts, for an equal division of property, or for any other improper or wicked project, will be less apt to pervade the whole body of the Union than a particular member of it; in the same proportion as such a malady is more likely to taint a particular county or district, than an entire State.
The various interests and conditions of life within the ranks of the proletariat are more and more equalised, in proportion as machinery obliterates all distinctions of labour, and nearly everywhere reduces wages to the same low level.
But, I repeat, in many communities in the South the character of the ministry is being improved, and I believe that within the next two or three decades a very large proportion of the unworthy ones will have disappeared.
A large proportion of these people had been drawn to Washington because they felt that they could lead a life of ease there.
In proportion to the defeat of the Austrian army Austria loses its rights, and the rights and the strength of France increase.
As it distanced the earth, the terrestrial attraction diminished: but the lunar attraction rose in proportion.
Yes," replied Nicholl; "for if the height of the Selenites is in proportion to the density of their globe, they will be scarcely a foot high.
It's then that proportion comes in--to live by proportion.