The WHO has compiled a comprehensive classification of visual impairment to achieve comparability [ 35].
This has been recommended by the WHO and provides a more accurate assessment of visual acuity and better comparability among studies [ 13].
Visual inspection of the data indicates reasonable comparability in terms of gender, age and ethnicity, but differences in employment and community engagement.
Levels of distress were relatively high, with a mean CORE score of 25 and mean PHQ score of 19.> Visual inspection of the elder and ethnic minority sample data indicates reasonable comparability in terms of age and education, but differences in ethnicity, and social engagement (although these are very sensitive to the small numbers in the groups).
Indeed, the heterogeneity of mammograms due to the use of multiple mammographers, the inclusion of both digital and analog images and differences in methodology, such as the subjective visual assessment of breast density and the use of semiquantitative assessments, limit the comparability of our results with other studies.
This method can dramatically improve the accuracy and comparability of trabecular columns, and has a great advantage over the conventional visual inspection method.
Three studies looked at the comparability of handheld computers to paper and pencil devices: two of the studies compared missing and problematic data points [ 38, 39]; and one study compared results obtained using both paper and electronic visual analogue scales [ 37].
Now, comparability is out.
"There's comparability," he said.
Finally, there is the issue of comparability.
