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The program allows one to estimate the effect of frequency matching on power and efficiency to study multiplicative interactions and to assess the optimal prevalence of the matching factor in selected controls for a given scenario which often differs from the prevalence in cases (aimed at in traditional 'fixed' frequency matching).
Therefore, the loss of the protection effectiveness strongly impacts also on the optimal prevalence rate.
The optimal prevalence rate is 84.6% when the loss of the protection effectiveness is between 0% and 5.6%.
Furthermore, if the loss rate is between 20.1% and 46.1%, then the optimal prevalence rate must always be 100%.
In this case, even if we can execute the vaccination program near the optimal prevalence rate, the effect of the program is not large.
However, in the presence of the resistant strain, the simple theory is inapplicable to an optimal prevalence rate of vaccination program.
Similar(41)
Agreement between questionnaire responses and a criterion standard is important for optimal disease prevalence estimates.
The range of optimal adherence prevalence of 87 99.5% compared favourably with other settings.
The reviewed reports showed promise for conflict-affected and forcibly-displaced populations; the range of optimal adherence prevalence reported was 87 99.5%.
Therefore, to examine the association between levels of physical activity and optimal SRH, prevalence ratios (PR) and 95% confidence intervals were generated with multivariate Cox regression analyses for complex samples with constant time using levels of physical activity as a predictor and status of optimal SRH as an outcome variable.
Despite their prevalence, optimal treatment remains controversial.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com