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    標題: Differential impact of age on survival in head and neck cancer according to classic Cox regression and decision tree analysis
    作者: Ching-Chieh Yang(楊清傑)
    Su, Yu-Chieh
    Lin, Yu-Wei
    Huang, Chung-, I
    Lee, Ching-Chih
    貢獻者: Chi Mei Med Ctr, Dept Radiat Oncol
    Natl Sun Yat Sen Univ, Inst Biomed Sci
    Chia Nan Univ Pharm & Sci, Dept Pharm
    Kaohsiung Med Univ Hosp, Dept Internal Med, Div Hematol & Oncol
    Kaohsiung Med Univ, Coll Med, Fac Med
    E Da Canc Hosp, Dept Radiat Oncol
    Kaohsiung Vet Gen Hosp, Dept Otolaryngol Head & Neck Surg
    Natl Yang Ming Univ, Inst Hosp & Hlth Care Adm
    Natl Yang Ming Univ, Sch Med
    Triserv Gen Hosp, Dept Otolaryngol Head & Neck Surg
    關鍵字: age
    classification and regression tree
    head and neck squamous cell carcinoma
    regression analysis
    survival
    日期: 2019-05
    上傳時間: 2020-07-29 13:47:22 (UTC+8)
    出版者: WILEY
    摘要: ObjectivesTo assess the impact of age on the survival of patients with head and neck squamous cell carcinoma (HNSCC) using different statistical methods. DesignA retrospective population-based study. SettingSurveillance, Epidemiology, and End Results database. Subjects and methodsA total of 28639 patients with newly diagnosed HNSCC were enrolled between 1 January 2007 and 31 December 2013. The effect of age on 5-year disease-specific survival was calculated using a Kaplan-Meier method and compared using log-rank tests. A Cox proportional hazards model was used for a multivariate analysis. A classification and regression tree (CART) analysis that partitioned patients with significantly different Kaplan-Meier curves was introduced to identify the important cancer-related parameters influencing survival. ResultsUni- and multivariate analyses indicated that patients who were older than 60years had poorer 5-year disease-specific survival regardless of tumour subsite and tumor-node-metastasis (TNM) stage. However, the CART analysis determined that age played only a minor role in survival after comparing with other prognosticators. The relative importance of age using the Gini index was as follows: 3.21% for oral cancer, 8.32% for oropharyngeal cancer, 2.56% for hypopharyngeal cancer and 16.51% for laryngeal cancer. ConclusionsDifferent to traditional statistical methods, the CART analysis which was used to identify homogeneous populations revealed that the impact of age varied for different patient groups according to the presence or absence of other prognosticators. This important information could help to guide our clinical decisions and future researches.
    關聯: Clinical Otolaryngology, v.44, n.3, pp.244-253
    Appears in Collections:[藥學系(所)] 期刊論文

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