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. 2021 Jul 7;9:677541. doi: 10.3389/fbioe.2021.677541

FIGURE 1.

FIGURE 1

Flowchart of a prospective randomized controlled clinical trial for treating patients with chronic postoperative temporal bone cavity inflammation. Data are presented according to the CONSORT statement (Schulz et al., 2010). Control group represented intervention A and PVRP intervention B. CPTBCI: chronic postoperative temporal bone cavity inflammation; PVRP: platelet- and extracellular vesicle-rich plasma; COVID-19: coronavirus disease 2019.