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  2. Likelihood ratios in diagnostic testing - Wikipedia

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

    Here "T+" or "T−" denote that the result of the test is positive or negative, respectively. Likewise, " D +" or " D −" denote that the disease is present or absent, respectively. So "true positives" are those that test positive ( T +) and have the disease ( D +), and "false positives" are those that test positive ( T +) but do not have the ...

  3. Swiss Statement - Wikipedia

    en.wikipedia.org/wiki/Swiss_Statement

    The Swiss Statement (French: La déclaration suisse; known in German as das EKAF-Statement), or the Swiss Consensus Statement, was an announcement published in January 2008 by the Swiss Federal Commission for AIDS/HIV (EKAF, Eidgenössischen Kommission für Aids-Fragen) [a] outlining the conditions under which an HIV-positive individual could be considered functionally noncontagious: with ...

  4. Diagnosis of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_HIV/AIDS

    The eclipse period is a variable period starting from HIV exposure in which no existing test can detect HIV. The median duration of the eclipse period in one study was 11.5 days. The window period is the time between HIV exposure and when an antibody or antigen test can detect HIV. The median window period for antibody/antigen testing is 18 days.

  5. WHO Disease Staging System for HIV Infection and Disease in ...

    en.wikipedia.org/wiki/WHO_Disease_Staging_System...

    Conditions where a presumptive diagnosis can be made on the basis of clinical signs or simple investigations [citation needed] Unexplained chronic diarrhoea for longer than one month; Unexplained persistent fever (intermittent or constant for longer than one month) Severe weight loss (>10% of presumed or measured body weight) Oral candidiasis

  6. Talk:Diagnosis of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Talk:Diagnosis_of_HIV/AIDS

    A number of your references don't actually deal with false-positive HIV tests. They deal with false-positive EIA's. As I'm sure you know, the EIA is one component of an HIV test, and requires confirmation via Western blot. The whole point of using two methodologies is so that false-positive EIA's are not reported as false-positive HIV test results.

  7. One-step method - Wikipedia

    en.wikipedia.org/wiki/One-step_method

    However, the most useful definition of stiffness for practical applications is: An initial value problem is stiff if, when solving it with explicit one-step methods, the step size would have to be chosen "too small" in order to obtain a useful solution. Such problems can therefore only be solved using implicit methods. [12]

  8. 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 ...

  9. Management of HIV/AIDS - Wikipedia

    en.wikipedia.org/wiki/Management_of_HIV/AIDS

    Furthermore, the PARTNER study, [43] which ran from 2010 to 2014, enrolled 1166 serodiscordant couples (where one partner is HIV positive and the other is negative) in a study that found that the estimated rate of transmission through any condomless sex with the HIV-positive partner taking ART with an HIV load less than 200 copies/ml was zero. [43]

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