Recruitment and retention in a preclinical AD trial: comparisons between academic and non-academic sites.

In a previous analysis of the A4 data, a notable trend was observed in the association between partner type and dropout, though the results were not statistically significant [ 16 ].

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While the results did not reach statistical significance, we observed that non-academic sites had a higher screening rate, but a lower randomization rate compared to academic sites.

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