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Fig. 1 | Trials

Fig. 1

From: Inhaled aviptadil for the possible treatment of COVID-19 in patients at high risk for ARDS: study protocol for a randomized, placebo-controlled, and multicenter trial

Fig. 1

Participant timeline. Asterisk symbol (*) indicates the following: if hospital discharge occurs first, intervention is stopped at discharge. Superscript digit one (1) indicates the following: demographics, clinical status according to nine-level ordinal scale, medical history, smoking status, COVID-19 symptoms, and COVID-19 vaccination status. Superscript digit two (2) indicates the following: C-reactive protein, neutrophil-lymphocyte ratio, interleukin-6, and procalcitonin. Superscript digit three (3) indicates the following: on a visual analog scale from 0 to 10. Superscript digit four (4) indicates the following: Clinical status on nine-level ordinal scale, admission to ICU, ventilation, mortality, complications. MRC, Medical Research Council dyspnea scale; SF-12v2, 12-item Short Form Survey version 2

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