Consistent estimation of the burden of chronic obstructive pulmonary disease (COPD) has been hindered by differences in methods, including different spirometric cut-offs for impaired lung function.
Estimates of the burden of chronic obstructive pulmonary disease using spirometry data collected in epidemiological studies are inconsistent through differences in methods, including different spirometric cut-offs.
The discrepancy between our results and previous findings may be due to different tissue types studied as well as the differences in methods used to analyze DNA methylation.
Despite differences in methods and emphasis, the exchange, Ms. Hamilton said, forced the Irish students to slow down and question and rethink what they were doing.
Across studies there are considerable differences in methods and results.
Furthermore, differences in methods of studies based in community or tertiary centers prevent appropriate comparison.
Differences between uptake measurements and Western blot visualisation by chemiluminescent staining could readily be explained by the differences in methods and substrates.
Only a few studies have investigated EDS in headache [4 10], and the results are not uniform, possibly due to differences in methods and patient populations [4 10].
For developers and scientists, however, comparisons should be structured to leverage the differences in methods to provide insight into possible improvements or best practices.
However, many countries do not have national forest inventories, and among those that do, important differences in methods and definitions can exist.
Within this project, there were significant differences in methods used to calculate the extent of farm desertion between historians in the participating countries.
