Sentence examples for methodological variation is from inspiring English sources

Whether this relates to the confounding influence of other microenvironmental parameters known to affect gene expression (e.g., low pH and low glucose), fluctuating tumor oxygenation, sampling errors caused by intratumoral heterogeneity or interlaboratory methodological variation is unclear.

Methodological variation is a potentially important cause of variation in coverage across a viral genome in different samples, but ultimately is not germane to the goals of this study, which investigated polymorphism only at those sites with sufficient coverage irrespective of why coverage may have varied among sites or across samples.

For the analysis of specific gene families, methodological variations were introduced as reported in text.

The methodological variations were also evident for the top 20 most abundant miRNAs (Table  2).

Methodological variations were: swab placement for 10 rather than 5 seconds and rotation 360° rather than 180°.

US estimates are generally higher but, due to methodological differences, wide variation is demonstrated across studies [ 5, 6].

9 With so few studies available on the CCP/children's nutrition relationship, little can be concluded except that in Ghana at least, all three studies examining this issue have come to the same conclusion despite significant methodological variation; CCP is related to children's nutritional status, seemingly regardless of a child's sociodemographic profile.

Some of the variation is clearly methodological: family-based studies are prone to ascertainment bias, and almost all case- and population-based studies performed so far could be prone to misclassification of genetic and clinical status.

However, there are large variations, and part of this variation is caused by methodological differences between studies.

Apart from the methodological differences among studies, the influence of genetic variation is likely an important contributor.

Methodological work on the quantification and reporting of geographic variation is needed to aid inter-study comparisons.