Fig. 1
From: Heterogeneity in design and analysis of ICU delirium randomized trials: a systematic review
Literature Search Flow Chart. *We hand searched all the references of the eligible articles, the NIDUS bibliography (https://deliriumnetwork.org/delirium-research-hub/), and articles from relevant systematic reviews [19,20,21] and compared to the deduplicated articles from the electronic database search