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(A,B) Pooling of secretions; (C) Residue in the vallecula and (D) Arytenoid edema versus total time in hospital (A, C), number of days in ICU (B), and days with tracheostomy (D). Variables with a significance of p <0.05 on post-hoc analysis using the Kruskal-Wallis test are included. Median, 25th and 75th percentiles are shown.
