格拉斯哥预后评分在鼻咽癌预后评估中的作用

目的 探讨格拉斯哥预后评分(GPS)在鼻咽癌患者预后评估中的作用。方法 回顾性分析2012—2013年间在江南大学附属医院接受根治性放疗的129例鼻咽癌患者,收集患者临床病理特征包括性别、年龄、TNM分期、病理分型、治疗方案等,计算患者放疗前及放疗结束后3个月GPS。生存率计算采用Kaplan-Meier法,Cox模型预后因素分析。利用受试者工作特征(ROC)曲线下面积(AUC)评价临床指标对预后的预测能力。结果 中位随访时间89.0个月(5.1~104.6个月),129例患者5年无进展生存率(PFS)79.8%,5年总生存率(OS)84.5%。放疗后3个月GPS 0、1、2分组5年PFS率分别为85.6%、61.1%、33.3%,5年OS率分别为90.4%、66.7%、33.3%(P<0.01)。放疗后3个月GPS、临床分期(Ⅰ-Ⅲ期∶ⅣA期)及是否同步化疗均与患者PFS、OS相关(均P<0.01)。ROC曲线显示放疗后3个月GPS及临床分期预测OS的AUC值分别为0.694和0.815,两者联合AUC值达0.860。结论 放疗后3个月,高GPS是鼻咽癌患者独立预后不良因子,GPS联合临床分期可更加准确预测鼻咽癌患者预后。

The role of Glasgow prognostic score in prognostic evaluation of nasopharyngeal carcinoma

Objective To assess the role of Glasgow prognostic score (GPS) in the prognostic evaluation of nasopharyngeal carcinoma patients. Methods Clinical data of 129 nasopharyngeal carcinoma patients who received radical radiotherapy in Affiliated Hospital of Jiangnan University from January 2012 to December 2013 were retrospectively analyzed. Clinicopathological characteristics of the patients were collected, including gender, age, TNM staging, pathological type and treatment regimen, etc. The GPS before and at 3 months after radiotherapy were calculated. The survival curve was drawn by the Kaplan-Meier method. Cox regression model was used for analysis of prognostic factors. The area under the receiver operating characteristic (ROC) curve (AUC) was utilized to evaluate the predictive capability of clinical parameters on prognosis. Results With a median follow-up of 89.0 months (range:5.1-104.6 months), the 5-year progression-free survival (PFS) of 129 patients was 79.8% and 84.5% for the 5-year overall survival (OS). At 3 months after radiotherapy, the 5-year PFS were 85.6%, 61.1% and 33.3% in the GPS 0, 1 and 2 groups, and 90.4%, 66.7% and 33.3% for the 5-year OS, respectively (all P<0.01). At 3 months after radiotherapy,the GPS, clinical staging (Ⅰ-Ⅲ vs. ⅣA) and concurrent chemotherapy were significantly correlated with PFS and OS (all P<0.01). ROC curve showed that at 3 months after radiotherapy, the AUC values of GPS, clinical staging and two combined in predicting OS were 0.694, 0.815 and 0.860, respectively. Conclusions At 3 months after radiotherapy, higher GPS is an independent poor prognostic factor for nasopharyngeal carcinoma patients. The combination of GPS and clinical staging yields high accuracy in the prognostic evaluation of nasopharyngeal carcinoma patients.