Exact(2)
Secondly, a potential regression model to measure the KtUVER as a function of the relative optical air mass was studied.
Possible methodological limitations include causal interpretation, generalization, recall bias, the use a measurement primarily used with adults, a potential regression towards the mean, and ceiling effects.
Similar(58)
A potential limitation is not having an explicit measure of the potential regression to the mean effect for waist circumference.
Adding the baseline UAI-index score as a further covariate to control for potential regression to the mean effects (Model 2), also resulted in a significant difference between the experimental and control groups, implying that a regression to the mean effect is unlikely to explain the observed difference in change.
However, the non-stationarity properties of these variables presented a potential spurious regression problem, which was later addressed by Garbers (1987), Crowder (1994), Baillie et al.
Further, potential two-way interactions (i.e., stratification-by-baseline factor) were evaluated in an attempt to evaluate changes in the dependent variable for potential regression towards the mean (data not shown).
We review key information of selected models, including etiology, pathogenesis, procedure, time course and assessment of potential regression.
The analyses were adjusted for their respective baseline values in order to comply with potential regression towards the mean [ 33].
The observational design means that our analysis is limited by the lack of comparison with natural progression in the apnoea-hypopnoea index and potential regression to the mean.
Regarding potential regression to the mean effect, baseline telomere length was not relevant to the inclusion of subjects in the study.
Without a control group it is therefore difficult to assess what amount of pain reduction is due to the treatment and what amount due to the potential regression to the mean.
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