The total number of cases of a disease or condition present in a population at a given time
Incidence
The number or rate of new cases of a disease/condition in a population during a given period
Health status
An individual's or population's overall health, taking into account various aspects such as life expectancy, amount of disability and levels of disease risk factors
Psychological distress
Unpleasant feelings and emotions that affect an individual's level of functioning
Burden of disease
A measure of the impact of diseases and injuries: specifically it measures the gap between current health status and ideal situation where everyone lives to an old age free of disease and disability
Maternal mortality
Death of mothers who die as a result of pregnancy, child birth or associated treatment per 100,000 women who give birth
Infant mortality rate
The rate of deaths of infants before their first birthday, usually expressed per 1,000 live births
Morbidity
Ill health in an individual and levels of ill health within a population
Under 5 mortality rate
The number of deaths of children under five years of age, expressed as per 1,000 live births
YLD
A measure of the impact of morbidity on a group or population
YLL
A measure of how many years of expected life we lost due to premature death
Self assessed health status
Based on an individual's own perception of their health and wellbeing
Life expectancy
The number of years of life, on average, remaining to an individual at a particular age if death rates do not change
Health adjusted life expectancy
The average length of time an individual at a specified age can expect to live in full health, that is, time lived without the health consequences of disease or injury
Mortality
The number of deaths in a population in a given period