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  2. Case fatality rate - Wikipedia

    en.wikipedia.org/wiki/Case_fatality_rate

    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 as a percentage. It is a measure of disease lethality, and thus may change with different treatments. [1] CFRs are most often used for with discrete, limited-time courses, such as acute infections.

  3. Compartmental models in epidemiology - Wikipedia

    en.wikipedia.org/wiki/Compartmental_models_in...

    For the full specification of the model, the arrows should be labeled with the transition rates between compartments. Between S and I, the transition rate is assumed to be (/) / = /, where is the total population, is the average number of contacts per person per time, multiplied by the probability of disease transmission in a contact between a susceptible and an infectious subject, and / is ...

  4. Death clock calculator - Wikipedia

    en.wikipedia.org/wiki/Death_clock_calculator

    Some media outlets and websites misrepresented the intent of life2vec by calling it a death clock calculator, [6] leading to confusion and speculation about the capabilities of the algorithm. [7] This misinterpretation has also led to fraudulent calculators pretending to use AI-based predictions, often promoted by scammers to deceive users.

  5. Survival analysis - Wikipedia

    en.wikipedia.org/wiki/Survival_analysis

    Survival analysis is a branch of statistics for analyzing the expected duration of time until one event occurs, such as death in biological organisms and failure in mechanical systems. This topic is called reliability theory , reliability analysis or reliability engineering in engineering , duration analysis or duration modelling in economics ...

  6. Standardized mortality ratio - Wikipedia

    en.wikipedia.org/wiki/Standardized_mortality_ratio

    The standardized mortality ratio is the ratio of observed deaths in the study group to expected deaths in the general population. [2] This ratio can be expressed as a percentage simply by multiplying by 100. [citation needed] The SMR may be quoted as either a ratio or a percentage. If the SMR is quoted as a ratio and is equal to 1.0, then this ...

  7. Rate ratio - Wikipedia

    en.wikipedia.org/wiki/Rate_ratio

    In epidemiology, a rate ratio, sometimes called an incidence density ratio or incidence rate ratio, is a relative difference measure used to compare the incidence rates of events occurring at any given point in time. It is defined as:

  8. Likelihood ratios in diagnostic testing - Wikipedia

    en.wikipedia.org/wiki/Likelihood_ratios_in...

    Likelihood Ratio: An example "test" is that the physical exam finding of bulging flanks has a positive likelihood ratio of 2.0 for ascites. Estimated change in probability: Based on table above, a likelihood ratio of 2.0 corresponds to an approximately +15% increase in probability.

  9. Standardized rate - Wikipedia

    en.wikipedia.org/wiki/Standardized_rate

    The formula for standardized rates is as follows: [citation needed] Σ(crude rate for age group × standard population for age group) / Σstandard population See also