Sentence examples for within a stratum of from inspiring English sources

We derive necessary sample sizes of herds and the probability ("confidence") of detecting disease within a stratum of small herds, given the among-herd design prevalence and test diagnostic sensitivity.

A likelihood ratio compares the proportion of people with and without the target disorder within a stratum of diagnostic test results.

It is often characterised as this homogenous, imperialistic power but within it there is a strata of very effective, aggressive and imaginative critics who are committed to making America better".

We estimated the excess number of deaths associated with radiation exposure by calculating the difference between the fitted number of deaths within a stratum defined by levels of the stratification variables and the background number of deaths (obtained by multiplying the stratum specific rate of mortality at baseline by the person time in that stratum).

We assumed that within a stratum, the effect of treatment did not depend on the unobserved binary covariate.

But the idea that a book might be both "impious" and "prestigious" is relatively new, and has only ever held sway within a narrow stratum of society.

In the first method, 25(OH D measurements were categorized on the basis of their distribution within a particular stratum of cohort, sex, and season of blood collection, with stratum-specific quartiles among VDPP controls used as cutpoints.

The exposure was assessed on an objective basis, using a geographic information system, with comparable quality for all the included children, at least within a given stratum of rural/urban status.

3) Random sampling (RAND) gives each hospital within a stratum an equal probability of being sampled.

The effect of treatment on outcomes was estimated within each stratum of the propensity score.

The predicted SSFs were ranked within each stratum of 11 paired steps with ranks from 1 to 11.