Sentence examples for an external comparison from inspiring English sources

Subsequently, an "external" comparison was carried out.

Three were before-and-after studies, with limited use of an external comparison group.

Special exposure cohort (dialysis patients), however, require an external comparison group.

Importantly, when an external comparison group with expected mortality from leukemia was used, there was no significant increase in leukemia mortality.

The NRC further commented that the use of an external comparison population minimized the effect of exposure misclassification on the risk assessment.

Although the issues identified by Marsh and Youk (2004) in their analysis of the previous study were acknowledged by Beane Freeman et al. (2009), no attempt was made to compare mortality with an external comparison group.

We performed two major types of multivariable analyses: a) external comparisons, focusing on differences between the LC cohort and NYS and NC using standardized incidence ratios (SIRs), and b) internal comparisons using survival analysis methods, focusing on differences within the LC cohort according to the potential for exposure.

For a proper external comparison of our model results we considered findings from other international health economic evaluations.

An interesting external comparison can be found in a recent paper by Meredith and Bolker (2012) that has a similar biology-focused reform in algebra-based introductory physics.

Moreover, against a large weighted external comparison group, the treatment group made positive shifts on valuing, mastery orientation, planning, task management, persistence, failure avoidance, uncertain control, and self-handicapping.

Finally, because of the nature of this unique cohort, there is difficulty in establishing an adequate control group for external comparison.