Cost-benefit of outcome adjudication in nine randomised stroke trials

Published on 2020-07-13T00:06:54Z (GMT) by
<div>Background<p>Central adjudication of outcomes is common for randomised trials and should control for differential misclassification. However, few studies have estimated the cost of the adjudication process.</p>Methods<p>We estimated the cost of adjudicating the primary outcome in nine randomised stroke trials (25,436 participants). The costs included adjudicators’ time, direct payments to adjudicators, and co-ordinating centre costs (e.g. uploading cranial scans and general set-up costs). The number of events corrected after adjudication was our measure of benefit. We calculated cost per corrected event for each trial and in total.</p>Results<p>The primary outcome in all nine trials was either stroke or a composite that included stroke. In total, the adjudication process associated with this primary outcome cost in excess of £100,000 for a third of the trials (3/9). Mean cost per event corrected by adjudication was £2295.10 (SD: £1482.42).</p>Conclusions<p>Central adjudication is a time-consuming and potentially costly process. These costs need to be considered when designing a trial and should be evaluated alongside the potential benefits adjudication brings to determine whether they outweigh this expense.</p></div>

Cite this collection

Godolphin, Peter J; Bath, Philip M; Algra, Ale; Berge, Eivind; Chalmers, John; Eliasziw, Misha; et al. (2020): Cost-benefit of outcome adjudication in nine randomised stroke trials. SAGE Journals. Collection.