Mortality Rate

Topics: Demography, Mortality rate, Death Pages: 2 (592 words) Published: September 9, 2013
Mortality rate is a measure of the number of deaths (in general, or due to a specific cause) in a population, scaled to the size of that population, per unit of time. Mortality rate is typically expressed in units of deaths per 1000 individuals per year; thus, a mortality rate of 9.5 (out of 1000) in a population of 1,000 would mean 9.5 deaths per year in that entire population, or 0.95% out of the total. It is distinct from morbidity rate, which refers to the number of individuals in poor health during a given time period (the prevalence rate) or the number of newly appearing cases of the disease per unit of time (incidence rate). The term "mortality" is also sometimes inappropriately used to refer to the number of deaths among a set of diagnosed hospital cases for a disease or injury, rather than for the general population of a country or ethnic group. This disease mortality statistic is more precisely referred to as "case fatality rate" (CFR).

One distinguishes:

The crude death rate, the total number of deaths per year per 1000 people. As of July 2009 the crude death rate for the whole world is about 8.37 per 1000 per year according to the current CIA World Factbook.[1] The perinatal mortality rate, the sum of neonatal deaths and fetal deaths (stillbirths) per 1000 births. The maternal mortality ratio, the number of maternal deaths per 100,000 live births in same time period. The maternal mortality rate, the number of maternal deaths per 1,000 women of reproductive age in the population (generally defined as 15–44 years of age) . The infant mortality rate, the number of deaths of children less than 1 year old per 1000 live births. The child mortality rate, the number of deaths of children less than 5 years old per 1000 live births. The standardised mortality ratio (SMR)- This represents a proportional comparison to the numbers of deaths that would have been expected if the population had been of a standard composition in terms...
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