The subgroup analyses are, to a certain extent exploratory.
We were unable to do subgroup analysis because not enough patients had been included in the trials.
A second limitation is the limited power to perform more definite subgroup analysis by smoking status or in groups who consumed a single beverage type only.
Maximize statistical power, especially in subgroup analyses.
Whether subgroup analysis should be performed.
In a subgroup analysis, among subjects with dietary compliance 70%, the high-protein treatment was more effective than the control treatment in reducing body fat.
Two other studies have only been able to confirm the results presented in the studies mentioned "in a subgroup analysis".
Even when you do those questionable subgroup analyses, there's just a barely significant effect, and that's in a very, very large group.
However, a subgroup analysis showed significant genotype distribution differences in nonsmokers.
Where possible, effects of study characteristics on summary estimates were determined by subgroup analysis.