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The cause-specific mortality rate is the mortality rate from a specified cause for a population. The numerator is the number of deaths attributed to a specific cause. The denominator remains the size of the population at the midpoint of the time period.
In epidemiology, case fatality rate (CFR) – or sometimes more accurately case-fatality risk – is the proportion of people who have been diagnosed with a certain disease and end up dying of it. Unlike a disease's mortality rate, the CFR does not take into account the time period between disease onset and death. A CFR is generally expressed ...
Case fatality rate, in epidemiology, the proportion of people who die from a specified disease among all individuals diagnosed with the disease over a certain period of time. Case fatality rate typically is used as a measure of disease severity and is often used for prognosis.
Cause-Specific Rate The cause-specific rate is useful to assess the impact that specific diseases or, any other health phenomena has a specific population group. The formula follows:
Examples of mortality rates •Crude mortality: total death rate in an entire population (generally per 100,000 person-years) •Cause-specific mortality rate: rate at which deaths occur for a specific cause •# of deaths from specific cause/total population for a given year •Age-specific mortality
The age-adjusted death rate decreased by 9.2% from 879.7 deaths per 100,000 standard population in 2021 to 798.8 in 2022. Age-specific death rates increased from 2021 to 2022 for age groups 1–4 and 5–14 years and decreased for all age groups 15 years and older. The 10 leading causes of death in 2022 remained the
Case Fatality Rate (CFR) measures the severity of disease by defining the total number of deaths as a proportion of reported cases at a specific time.
Cause-specific estimates of mortality and the subsequent effects on life expectancy worldwide are valuable metrics to gauge progress in reducing mortality rates. These estimates are particularly important following large-scale mortality spikes, such as the COVID-19 pandemic.
The incidence of a disease is the rate at which new cases occur in a population during a specified period. For example, the incidence of thyrotoxicosis during 1982 was 10/100 000/year in Barrow-in-Furness compared with 49/100 000/year in Chester.
Life expectancy for the U.S. population in 2021 was 76.4 years, a decrease of 0.6 year from 2020. The age-adjusted death rate increased by 5.3% from 835.4 deaths per 100,000 standard population in 2020 to 879.7 in 2021. Age-specific death rates increased from 2020 to 2021 for each age group 1 year and over.