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An inflammatory biomarker-based nomogram to predict prognosis of patients with nasopharyngeal carcinoma: an analysis of a prospective study

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机构: [1]Sun Yat Sen Univ, Dept Radiat Oncol, Collaborat Innovat Ctr Canc Med, State Key Lab Oncol South China,Canc Ctr, Guangzhou, Guangdong, Peoples R China; [2]Chinese Peoples Liberat Army, Dept Oncol, Hosp 421, Guangzhou, Guangdong, Peoples R China; [3]Anhui Med Univ, Dept Radiat Oncol, Anhui Prov Hosp, Hefei, Anhui, Peoples R China; [4]Sun Yat Sen Univ, Dept Radiat Oncol, Ctr Canc, 651 Dongfeng Rd East, Guangzhou 510060, Guangdong, Peoples R China
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关键词: Disease-specific survival inflammatory biomarkers nasopharyngeal carcinoma nomogram prediction

摘要:
Chronic inflammation plays an important role in tumor progression. The aim of this analysis was to evaluate whether inflammatory biomarkers such as the Glasgow prognostic score (GPS), the neutrophil-lymphocyte ratio (NLR), the platelet-lymphocyte ratio (PLR), and the lymphocyte-monocyte ratio (LMR) could predict the prognosis of nasopharyngeal carcinoma (NPC). In this analysis, pretreatment GPS, NLR, PLR, LMR of 388 patients who were diagnosed as nonmetastatic NPC and recruited prospectively in the 863 Program No. 2006AA02Z4B4 were assessed. Of those, the 249 cases enrolled between December 27th 2006 and July 31st 2011 were defined as the development set. The rest 139 cases enrolled between August 1st 2011 and July 31st 2013 were defined as the validation set. The variables above were analyzed in the development set, together with age, gender, Karnofsky performance score, T stage, and N stage, with respect to their impact on the disease-specific survival (DSS) through a univariate analysis. The candidate prognostic factors then underwent a multivariate analysis. A nomogram was established to predict the DSS, by involving the independent prognostic factors. Its predction capacity was evaluated through calculating Harrell's concordance index (C-index) in the validation set. After multivariate analysis for the development set, age (<= 50 vs. >50 years old), T stage (T1-2 vs. T3-4), N stage (N0-1 vs. N2-3) and pretreatment GPS (0 vs. 1-2), NLR (<= 2.5 vs. >2.5), LMR (<= 2.35 vs. >2.35) were independent prognostic factors of DSS (P values were 0.002, 0.008, <0.001, 0.004, 0.018, and 0.004, respectively). A nomogram was established by involving all the factors above. Its C-index for predicting the DSS of the validation set was 0.734 (standard error 0.056). Pretreatment GPS, NLR, and LMR were independent prognostic factors of NPC. The nomogram based on them could be used to predict the DSS of NPC patients.

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出版当年[2017]版:
大类 | 3 区 医学
小类 | 3 区 肿瘤学
最新[2023]版:
大类 | 2 区 医学
小类 | 3 区 肿瘤学
第一作者:
第一作者机构: [1]Sun Yat Sen Univ, Dept Radiat Oncol, Collaborat Innovat Ctr Canc Med, State Key Lab Oncol South China,Canc Ctr, Guangzhou, Guangdong, Peoples R China; [2]Chinese Peoples Liberat Army, Dept Oncol, Hosp 421, Guangzhou, Guangdong, Peoples R China;
通讯作者:
通讯机构: [1]Sun Yat Sen Univ, Dept Radiat Oncol, Collaborat Innovat Ctr Canc Med, State Key Lab Oncol South China,Canc Ctr, Guangzhou, Guangdong, Peoples R China; [4]Sun Yat Sen Univ, Dept Radiat Oncol, Ctr Canc, 651 Dongfeng Rd East, Guangzhou 510060, Guangdong, Peoples R China
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