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中华结直肠疾病电子杂志 ›› 2017, Vol. 06 ›› Issue (01) : 21 -27. doi: 10.3877/cma.j.issn.2095-3224.2017.01.005

所属专题: 文献

论著

不同分期结直肠癌患者的预后分析:一项基于SEER数据库的回顾性研究
张卫刚1, 张言言1, 张宪文1, 滕世峰1, 姚厚山1, 李新星1,(), 胡志前1,()   
  1. 1. 200003 上海,第二军医大学附属长征医院普外一科
  • 收稿日期:2016-11-21 出版日期:2017-02-25
  • 通信作者: 李新星, 胡志前
  • 基金资助:
    国家自然科学基金青年科学基金项目(No.8140101730)

Prognosis factor of patients with colorectal cancer: a retrospective study of surveillance, epidemiology, and end results population-based data

Weigang Zhang1, Yanyan Zhang1, Xianwen Zhang1, Shifeng Teng1, Houshan Yao1, Xinxing Li1,(), Zhiqian Hu1,()   

  1. 1. Department of General Surgery, Changzheng Hospital, the Second Military Medical University, Shanghai 200003, China
  • Received:2016-11-21 Published:2017-02-25
  • Corresponding author: Xinxing Li, Zhiqian Hu
  • About author:
    Corresponding author: Hu Zhiqian, Email: ;
    Li Xinxing, Email:
引用本文:

张卫刚, 张言言, 张宪文, 滕世峰, 姚厚山, 李新星, 胡志前. 不同分期结直肠癌患者的预后分析:一项基于SEER数据库的回顾性研究[J]. 中华结直肠疾病电子杂志, 2017, 06(01): 21-27.

Weigang Zhang, Yanyan Zhang, Xianwen Zhang, Shifeng Teng, Houshan Yao, Xinxing Li, Zhiqian Hu. Prognosis factor of patients with colorectal cancer: a retrospective study of surveillance, epidemiology, and end results population-based data[J]. Chinese Journal of Colorectal Diseases(Electronic Edition), 2017, 06(01): 21-27.

目的

探讨不同分期结直肠癌患者的预后,并分析临床病理参数的预后预测价值。

方法

通过美国SEER*Stat软件搜集2004至2009年病理明确诊断为结直肠癌并接受肠癌根治手术的患者共87 885例。单因素和多因素Cox回归分析结直肠癌患者预后的影响因素;Kaplan-Meier法绘制患者的生存曲线;Log-rank检验分析比较生存率的差别。

结果

87 885例结直肠癌患者的5年总体生存率为60.4%,中位生存时间为98个月,平均生存时间为(76.71±0.16)月。Ⅰ、Ⅱ、Ⅲ、Ⅳ期的五年生存率分别81.2%、71.7%、58.4%、14.4%;总体生存率比较的关系(由长时间到短时间)为:Ⅰ期>Ⅱ期>Ⅲ期>Ⅳ期,差异有统计学意义(χ2=26 063.383;P<0.001)。但是,Ⅱ期的总体生存率介于ⅢA与ⅢB之间。具体如下:ⅢA期的5年生存率(78.7%)与ⅠB期(79%)相当(χ2=0.040;P=0.841),明显优于ⅡA(73.6%)(χ2=39.409;P<0.001)、ⅡB(60.1%)(χ2=212.271;P<0.001)和ⅡC期(54.6%)(χ2=307.720;P<0.001),总体生存率比较的关系为:ⅢA期约等于ⅠB期,优于ⅡA、ⅡB、ⅡC任何一期。ⅢB期的5年生存率(61.5%)优于ⅡB(60.1%)(χ2=4.366;P=0.037)和ⅡC期(54.6%)(χ2=33.047;P<0.001),但差于ⅡA(73.6%)(χ2=692.563;P<0.001),总体生存率比较的关系为:ⅢB期差于ⅡA期,优于ⅡB、ⅡC。单因素分析显示,性别(χ2=5.662;P=0.017)、诊断年份(χ2=100.476;P<0.001)、人种(χ2=227.960;P<0.001)、肿瘤部位(χ2=457.809;P<0.001)、分化程度(χ2=2 364.001;P<0.001)、邻近器官有无受累(χ2=3 475.630;P<0.001)、浸润深度(χ2=8 281.813;P<0.001)、阳性淋巴结数(χ2=12 034.484;P<0.001)、检出淋巴结数(χ2=362.497;P<0.001)及有无远处转移(χ2=23 960.974;P<0.001)与预后相关。多因素Cox回归分析显示,性别(95%CI:0.958~0.997;P=0.025)、诊断年份(95%CI:0.967~0.992;P=0.001)、人种(95%CI:0.912~0.942;P<0.001)、肿瘤部位(95%CI:0.896~0.912;P<0.001)、分化程度(95%CI:1.162~1.204;P<0.001)、邻近器官有无受累(95%CI:0.758~0.832;P<0.001)、浸润深度(95%CI:1.360~1.407;P<0.001)、阳性淋巴结数(95%CI:1.302~1.329;P<0.001)、检出淋巴结数(95%CI:0.667~0.696;P<0.001)及是否远处转移(95%CI:3.055~3.211;P<0.001)是影响结直肠癌患者生存预后的独立因素。

结论

随着Ⅰ、Ⅱ、Ⅲ、Ⅳ期TNM分期的增加,结直肠癌并接受肠癌根治手术的患者的总体生存率逐渐降低。然而,ⅡA、ⅡB、ⅡC期与ⅢA、ⅢB的预后相比,原发肿瘤浸润深度(T分级)在预后价值预测中或许较阳性淋巴结(N分级)占有更重要的比重。此外,性别、诊断年份、人种、肿瘤部位、分化程度、邻近器官有无受累、浸润深度、阳性淋巴结数、检出淋巴结数、是否远处转移等参数是评估结直肠癌并接受肠癌根治手术的患者生存预后的独立指标,这为临床上不同分期结直肠癌患者预后的分析提供参考。

Objective

To explore the survival of different stage of patients with colorectal cancer, and evaluate the clinicopathologic factors associated with prognosis.

Methods

The SEER*Stat software was used to identify patients whose pathological diagnosis as colorectal malignancy from 2004 to 2009, and underwent surgical treatment. Univariate and Cox multivariate regression analysis were applied to evaluate the prognostic factors. The Kaplan-Meier method was used to calculate the cumulative survival rate, and the significant difference was evaluated by the log-rank test.

Results

The mean survival time of 1 829 colorectal cancer patients was (76.71±0.16) months, the median survival time was 98 months and the overall 5-year survival was 60.4%. The 5-year survival rates of the stage Ⅰ, Ⅱ, Ⅲ, Ⅳ patients were 81.2%, 71.7%, 58.4%, 14.4%, and the relationship between the overall survival was stage Ⅰ> stage Ⅱ> stage Ⅲ> stage Ⅳ (χ2=26 063.383; P<0.001). But, the overall survival of stage Ⅱwas located between stage ⅢA and ⅢB. The overall 5-year survival of stage ⅢA (78.7%) and ⅠB (79%) was almost (χ2=0.040; P=0.841), and better than ⅡA (χ2=39.409; P<0.001), ⅡB (χ2=212.271; P<0.001), ⅡC (χ2=307.720; P<0.001). The overall 5-year survival of stage ⅢB (61.5%) was better than stage ⅡB (60.1%) (χ2=4.366; P=0.037) and ⅡC (54.6%) (χ2=33.047; P<0.001), but worse than stage ⅡA (73.6%) (χ2=692.563; P<0.001). The factors of sex (χ2=5.662; P=0.017), years of diagnosis (χ2=100.476; P<0.001), race (χ2=227.960; P<0.001), primary site (χ2=457.809; P<0.001), pathological grading (χ2=2 364.001; P<0.001), adjacent organ involvement (χ2=3 475.630; P<0.001), depth of invasion (χ2=8 281.813; P<0.001), lymph node metastasis (χ2=12 034.484; P<0.001), total number of lymph nodes (χ2=362.497; P<0.001) and metastasis (χ2=23 960.974; P<0.001) influenced the survival rate by univariate analysis. The factors of sex (95%CI: 0.958~0.997; P=0.025), years of diagnosis (95%CI: 0.967~0.992; P=0.001), race (95%CI: 0.912~0.942; P<0.001), Primary site (95%CI: 0.896~0.912; P<0.001), Pathological grading (95%CI: 1.162~1.204; P<0.001), adjacent organ involvement (95%CI: 0.758~0.832; P<0.001), depth of invasion (95%CI: 1.360~1.407; P<0.001), lymph node metastasis (95%CI:1.302~1.329; P<0.001), total number of lymph nodes (95%CI: 0.667~0.696; P<0.001) and metastasis (95%CI: 3.055~3.211; P<0.001) were available independent prognostic factors through multivariate analysis.

Conclusions

With the increase of TNM stage, the overall survival rate of patients with colorectal cancer undergoing radical surgery was gradually reduced. However, compared the prognosis of ⅡA、ⅡB、ⅡC with that of ⅢA、ⅢB, primary tumor invasion depth (T grading) may be more important than the number of lymph node metastasis (N grading) in predicting the prognostic value. In addition, the factors of sex, years of diagnosis, race, primary site, pathological grading, adjacent organ involvement, depth of invasion, lymph node metastasis, total number of lymph nodes and metastasis were available independent prognostic factors. This provided reference for the analysis of the prognosis of patients with colorectal cancer.

表1 不同分期结直肠癌患者的生存情况(例)
图1 结直肠癌患者5年总体生存曲线图。A:Ⅰ、Ⅱ、Ⅲ、Ⅳ期结直肠癌生存曲线图;B:Ⅰ、Ⅱ、Ⅲ、Ⅳ期各亚群结直肠癌生存曲线图
图2 结直肠癌患者5年总体生存曲线图。ABC:ⅡA、ⅡB、ⅡC期与ⅢA期结直肠癌患者生存率比较,ⅢA期的总体生存率优于ⅡA、ⅡB 、ⅡC期(P<0.001);DEF:ⅡA、ⅡB、ⅡC期与ⅢB期结直肠癌患者生存率比较,ⅢB期的总体生存率优于ⅡB、ⅡC期(P值分别为0.037、<0.001),但差于ⅡA期(P<0.001)
表2 结直肠癌临床病理特征单因素、多因素COX回归分析结果
临床病理因素 5年生存率(%) 单因素分析 多因素分析
Log rank χ2 test P HR 95%CI P
性别 ? 5.662 0.017 0.978 0.958~0.997 0.025
? 男性 59.9 ? ? ? ? ?
? 女性 60.9 ? ? ? ? ?
诊断年龄 ? 1.348 0.246 ? ? -
? <60 60.6 ? ? ? ? ?
? ≥60 60.3 ? ? ? ? ?
诊断年份 ? 100.476 <0.001 0.979 0.967~0.992 0.001
? 2004~2005 58.3 ? ? ? ? ?
? 2006~2007 60.7 ? ? ? ? ?
? 2008~2009 62.1 ? ? ? ? ?
人种 ? 227.960 <0.001 0.927 0.912~0.942 <0.001
? 白种人 60.6 ? ? ? ? ?
? 黑种人 55.2 ? ? ? ? ?
? 其他 65.4 ? ? ? ? ?
? 未知 75.2 ? ? ? ? ?
肿瘤部位 ? 457.809 <0.001 0.904 0.896~0.912 <0.001
? 右半结肠 57.5 ? ? ? ? ?
? 横结肠 58.6 ? ? ? ? ?
? 左半结肠 62.2 ? ? ? ? ?
? 直肠 65.5 ? ? ? ? ?
? 结肠未特指 50.6 ? ? ? ? ?
分化程度 ? 2 364.001 <0.001 1.183 1.162~1.204 <0.001
? 高分化 71.6 ? ? ? ? ?
? 中分化 63.1 ? ? ? ? ?
? 低分化 47.1 ? ? ? ? ?
? 未分化 44.9 ? ? ? ? ?
邻近器官有无受累 ? 3 475.630 <0.001 0.794 0.758~0.832 <0.001
? 62.6 ? ? ? ? ?
? 30.1 ? ? ? ? ?
浸润深度(T) ? 8 281.813 <0.001 1.383 1.360~1.407 <0.001
? T1 83.4 ? ? ? ? ?
? T2 77.1 ? ? ? ? ?
? T3 58.9 ? ? ? ? ?
? T4a 36.8 ? ? ? ? ?
? T4b 30.1 ? ? ? ? ?
阳性淋巴结数(N) ? 12 034.484 <0.001 1.315 1.302~1.329 <0.001
? 0(N0) 72.9 ? ? ? ? ?
? 1~3(N1) 55.6 ? ? ? ? ?
? 4~6(N2a) 40.0 ? ? ? ? ?
? ≥7(N2b) 25.8 ? ? ? ? ?
检出淋巴结数 ? 362.497 <0.001 0.681 0.667~0.696 <0.001
? <12 56.4 ? ? ? ? ?
? ≥12 62.2 ? ? ? ? ?
是否远处转移(M) ? 23 960.974 <0.001 3.132 3.055~3.211 <0.001
? M0 68.7 ? ? ? ? ?
? M1 14.4 ? ? ? ? ?
图3 结直肠癌病理因素与预后的关系。A:原发肿瘤浸润深度与预后的关系(P<0.001);B:阳性淋巴结数与预后的关系(P<0.001);C:是否远处转移与预后的关系(P<0.001);D:邻近器官有无受累与预后的关系(P<0.001);E:检出淋巴结数与预后的关系(P<0.001);F:肿瘤分化程度与预后的关系(P<0.001)
图4 AJCC和UICC结直肠癌TNM分期系统(2010年,第七版);其中,ⅢA的生存率优于ⅡA、ⅡB、ⅡC,ⅢB期差于ⅡA期,优于ⅡB、ⅡC
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