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. 2020 Jul 7;12:5515–5525. doi: 10.2147/CMAR.S242800

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© 2020 Huang et al.

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Overall survival related to tracheal intubation (A), age (B), clinical stage (C) and postoperative chemotherapy in LSCC. Log rank test was used to analyze the effects of tracheal intubation, age, clinical stage and postoperative chemotherapy for overall in patients with LSCC. Survival curve of tracheotomy group and tracheal intubation group (A) showed that there is no significant difference in overall survival (P > 0.05), but age (B), clinical stage (C) and postoperative chemotherapy (D) showed significance for survival (P < 0.05).

Abbreviation: LSCC, laryngeal squamous cell carcinoma.