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Figure 1 | Trials

Figure 1

From: Study of Optimal Replacement of Thyroxine in the ElDerly (SORTED): protocol for a mixed methods feasibility study to assess the clinical utility of lower dose thyroxine in elderly hypothyroid patients: study protocol for a randomized controlled trial

Figure 1

Search flow chart for the simultaneous retrieval of retrospective cohort data and trial participant data. For the RCT we need patients with hypothyroidism and who were ≥80 years old in 2012. For the retrospective cohort study we need patients with a diagnosis of hypothyroidism who were ≥80 years old in 2008, and followed up (alive and dead) until 2012. RCT: randomized controlled trial.

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