Red Blood Cell Transfusion and Postoperative Delirium in Hip Fracture Surgery Patients: A Retrospective Observational Cohort Study

<div>Flow diagram for the study. CPT = current procedural terminology, IPTW = inverse probability of treatment weighting, NSQIP = National Surgical Quality Improvement Program, PUF = participant use file, and RBC = red blood cell.</div>

Anesthesiology Research and Practice

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Figure 1

Figure 1: Red Blood Cell Transfusion and Postoperative Delirium in Hip Fracture Surgery Patients: A Retrospective Observational Cohort Study 