Matched-pair analysis of survival in the patients with T3 laryngeal squamous cell carcinoma treated with supracricoid partial laryngectomy or total laryngectomy
Authors Xia X, Zhu YY, Diao WW, Zhu XL, Shi XH, Li WY, Gao ZQ, Li GJ, Chen XM
Received 25 May 2018
Accepted for publication 22 August 2018
Published 9 November 2018 Volume 2018:11 Pages 7947—7953
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Colin Mak
Peer reviewer comments 2
Editor who approved publication: Dr Sanjeev Srivastava
Xin Xia,1,* Ying-Ying Zhu,1,* Wen-Wen Diao,1 Xiao-Li Zhu,1 Xiao-Hua Shi,2 Wu-Yi Li,1 Zhi-Qiang Gao,1 Guo-Jun Li,1 Xing-Ming Chen1
1Department of Otolaryngology-Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China; 2Department of Pathology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
*These authors contributed equally to this work
Background: The survival outcomes between supracricoid partial laryngectomy (SCPL) and total laryngectomy (TL) were compared in the groups of matched-pair patients with T3 laryngeal squamous cell carcinoma (LSCC).
Methods: Patients with T3 LSCC were matched based on prognostic factors. The Kaplan–Meier curve and the Cox proportional hazards model were used for analysis on survival.
Results: A total of 212 patients with T3 LSCC were included after matching (106 underwent SCPL and 106 underwent TL). Multivariable analysis showed no differences in overall survival (hazard risk [HR]=1.15; 95% CI: 0.79–1.67; P=0.47), disease-specific survival (HR=1.11; 95% CI: 0.69–1.80; P=0.66), and recurrence-free survival (HR=1.07; 95% CI: 0.68–1.68; P=0.77) between the SCPL group and TL group.
Conclusion: SCPL provides reliable therapeutic outcomes and can be used to avoid a TL surgery in some patients with advanced primary laryngeal cancer.
Keywords: survival analysis, matched-pair analysis, laryngeal neoplasms, laryngectomy, squamous cell carcinoma
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