The inability to examine data from elderly patients considered for, but not admitted to, ICU makes it difficult to draw firm conclusions about decision-making prior to admission.
This makes it difficult to draw firm conclusions with respect to its functionality since many factors may play a role in this.
The small number of typhoid fever cases makes it difficult to draw firm conclusions from this study about its emergence in Africa.
This makes it difficult to draw conclusions about how well the product worked.
All of this makes it difficult to draw clearcut conclusions about strategic winners and losers.
Still, the appalling history of intimidation directed at clinics makes it difficult to draw a direct cause-and-effect line.
Existing articles are retrospective and with small sample sizes, which makes it difficult to draw conclusions about indications and complications with LC in this setting.
This makes it difficult to draw any conclusions about a causal relationship between the demonstration of HHV-6 and a specific disease.
The publications that come from these studies show trends, but they also show much heterogeneity, which makes it difficult to draw clear conclusions.
Though Ms. Kagan's thin record makes it difficult to draw many conclusions on her personal views, her academic work still provides hints into her thinking on this issue.
Another limitation is the small sample size of affected subjects, which makes it difficult to draw conclusions to the overall AD or MCI population.
