The frequency with which something, such as a disease or trait, appears in a particular population or area.

See tax incidence.

The number of new cases of a disease diagnosed each year.

Number of occurrences of illness commencing, or of persons falling ill, during a given period in a specific population: usually expressed as a rate. Note: When expressed as a rate, it is the number of [..]

Rate at which new cases of a disease occur within a population

1[countable, usually singular] incidence of something (formal) the extent to which something happens or has an effect an area with a high incidence of crime2[uncountable] (physics) the way in which li [..]

early 15c., "incidental matter," from Middle French incidence (15c.), from Late Latin incidentia, from incidere "to happen, befall" (see incident (n.)). Meaning "act of coming [..]

A percentage of the population or group that qualifies for inclusion in the sample using some criteria.

The number of new cases of a disease that develop in a specific time period.

The number of new cases (e.g. of a disease) occurring in a given population over a certain period of time. Also called seroincidence.

The number of new cases of a disease among a certain group of people during a specific period of time. It is different from prevalence.

The number of new cases (of an illness or event, and so on) occurring during a given period. Compare with prevalence

the relative frequency of occurrence of something the striking of a light beam on a surface; "he measured the angle of incidence of the reflected light" Incidence is a measur [..]

The number of new cases (of an illness or event etc.) occurring during a given period. Compare with prevalence.

n. Casual occurrence.

Measure of the risk of developing a disease or condition during a specified period of time. Usually given as the incidence rate which is the number of new cases per population at risk during the specified time period. For example, over the period 2001-2005 the cancer incidence rate for children aged 0-14 years in Australia was 14 per 100,000 (Sourc [..]

The number of new cases of a condition occurring in a population over a specified period of time

The number of new cases of a disorder occurring in a population during a specified period.

number of cases (pop)

Incidence, as used in medical terminology, refers to the measure of risk of a person developing a new medical condition within a stated period of time. This is a statistical measure also known as inci [..]

The number of new cases of a disease diagnosed each year.

The number of newly diagnosed cases of cancer during a specific time period. The American Cancer Society estimated that there would be approximately 1,399,790 people first diagnosed with cancer in 200 [..]

A term related to incidence. An algorithm is used to estimate the incidence if it were unaffected by reporting delays.

The number of new events occurring within a specified time period within a defined geographical area; for example, the number of flu cases per year in Europe.

(French : incidence) Number of new patients or individuals who acquired the disease during a certain period of time in a specific population.

The occurrence of new cases of a condition. The incidence rate describes the frequency with which cases are identified. Incidence is commonly measured in new cases per 1,000 (or 100,000) of population [..]

The rate of occurrence of new cases of a particular disease in a population being studied. Compare to Prevalence.

(IN-sih-dints) a measure of how often a disease occurs; the number of new cases of a disease among a certain group of people for a certain period of time.

The number of new cases of illness commencing, or of persons falling ill, during a specified time period in a given population.

The number of new cases of foodborne illness in a given population during a specified period (e.g., the number of new cases per 100,000 population per year).

(n) the relative frequency of occurrence of something(n) the striking of a light beam on a surface

How often a disease occurs; the number of new cases of a disease among a certain group of people for a certain period of time.

The proportion of new cases of the target disorder in the population at risk during a specified time interval.

The number of new cases of a disease diagnosed each year.

The rate of occurrence of new cases of a particular disease in a population.

Number of cases of a disease commencing, or of persons falling ill, during a given period of time in a specified population. Incidence rate is the number of new cases of a specific disease diagnosed o [..]

The number of instances of illness commencing, or of persons falling ill, during a given period in a specific population. Incidence is usually expressed as a rate, the denominator being the average nu [..]

The number of new cases of disease in a defined population over a specific time period [contrast with prevalence].

The number of new cases of a given Disease during a given period in a specified Population. It also is used for the rate at which new events occur in a defined Population. It is differentiated from Pr [..]

The number of new cases of a condition, symptom, death, or injury that develops in a specific area during a specific time period.  

The number of new cases of a given disease during a given period in a specified population. It also is used for the rate at which new events occur in a defined population. It is differentiated from PR [..]

the number of new cases or outbreaks of a disease that occur in a population at risk in a particular geographical area within a defined time interval.

The number of new cases (e.g., of a disease, adverse event) occurring in a defined population during a given time interval, often one year. Individual case safety report

The number of new cases of a disease diagnosed each year.

The number of new cases of a disease in a given period of time, among a specific population.

the rate of occurrence of some event, such as the number of individuals who get a disease divided by a total given population per unit of time.

the rate of occurrence of some event, such as the number of individuals who get a disease divided by a total given population per unit of time. (Contrast with prevalence.)

The number of new disease cases reported in a population over a certain period of time. [7]

The number of new disease cases reported in a population over a certain period of time.

the number of new cases over a period of time, which is often divided by the size of a group of people, e.g., 2 out of 1000 births per year

The number of new cases of disease in a defined population over a specific time period.

The number of new disease cases reported in a population over a certain period of time.

The number of new cases of a disease occurring during a given period (usually one year) in a specific population.

Rate at which mastitis cases occur. Infection:

The number of new cases of food borne illness in a given population during a specified period (e.g., the number of new cases per 100,000 population per year).

The number of new events (e.g. cases of disease) occurring in a population over defined period of time.

The rate at which a certain event occurs (e.g., the number of new cases of specific disease occurring during a certain period of time).

The number of criminal acts within a given-sized population used as a measure of the volume of crime. For instance, the number of violent criminal acts per 1,000 people.

The number of new cases of a problem divided by the study population over a specific period. The incidence rate refers to the number of violent events women experience during a specific period, such a [..]

l. Partial coincidence, as a circle and a tangent line. 2. The impingement of a ray on a surface.

The number of newly diagnosed cases of a disease in a given population over a specified time period; for cancer, the annual incidence is usually specified as the number of (new) cases per 100,000 peop [..]

The incidence of a disease is the rate at which new cases occur (or are identified) in a population during a specified period. Incidence reflects newly identified cases measured over a period of time. Incidence differs from prevalence, which quantifies the proportion of a population with a disease at a given point in time.

The number of new cases of a disease within a given time period

The number of new cases of illness commencing, or of persons falling ill, during a specified time period in a given population. See also Prevalence.

The extent or rate of occurrence, especially the number of new cases of a disease in a population over a period of time.

is a measure of disease frequency. Incidence quantifies the number of new cases (incident cases; i.e. people newly acquiring a disease or an attribute) in a population at risk of developing the disease over a given period of time.

In epidemiology, incidence refers to the occurrence of new events or cases. This is expressed as an absolute number or as a rate when the population at risk is known or can be reliably estimated and related to a specified period of time, so incidence rate - number of new cases in a specified period / person-time at risk in this period. More loosely [..]

The number of new cases of disease within a given time period. back to top

The proportion of people who use a particular product or service and thereby qualify to participate in the survey.

The number of new cases arising in a given period in a specified population. This information, collected routinely by population-based cancer registries, can be expressed as an absolute number of cases per year or as a rate per 100,000 persons per year. Incidence rates can be expressed for all ages combined, or for selected age ranges. They can als [..]

Incidence is defined as the number of new cases in a population during a specific period.

  the number of instances of illness commencing, or of persons falling ill, during a given period in a specified population (see incidence rate)

The number of  new health-related events (e.g. people falling ill with a disease) in a defined population during a specified period. Incidence may be measured as a frequency count, a rate, or a proportion.

The measure of deviation of something from "straight on". In otherwords, the angle at which light strikes a reflecting surface.

the number of new cases of a disease occurring in a given population over a certain period of time.

The frequency of new cases of a disease over a period of time in relationship to a particular population.

the number of people in the entire population or some subset of the population who are HIV+ at any given time, expressed as a percentage.

Incidence refers to how many people are diagnosed with a disease per year. It can be expressed as a number or as a rate, for example the number of people diagnosed per 100,000 of a population.

The number of new cases of a disease diagnosed each year. Induction Therapy

the number of new cases of a disease occurring in a given population over a certain period of time.