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Strengthening the Reporting of Observational studies in Epidemiology diagram for the Interventions for Postoperative Delirium: Biomarker-3 (IPOD-B3), registered with ClinicalTrials.gov (NCT 03124303). The diagram shows exclusions based on surgery cancellations, outlier analysis, poor cortical thickness parcellation, T1-only scans, incomplete scans or unavailable scans, refusal of EEG, EEG not included in the study at the time of visit, early discharge, or unavailable data.
