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. Author manuscript; available in PMC: 2020 Oct 1.
Published in final edited form as: Curr Opin Crit Care. 2019 Oct;25(5):473–488. doi: 10.1097/MCC.0000000000000650

Figure 2.

Figure 2.

Consort diagrams of two studies (A. BRAIN-ICU study [7] and B. COGWELL study [8] unpublished) of long-term cognitive follow-up of varying numbers of both participants and study personnel. All efforts should be made to limit study attrition from loss to follow-up to minimize bias, enhance generalizability as well as study validity. Strategies to mitigate loss to follow-up are heavily dependent on numbers of study personnel, dedicated time to allocate to retention strategies, and adequate funding to enact such aggressive strategies.