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analysis of cancer-specific survival in patients with metastatic colorectal cancer: A evidence-based medicine study

World Journal of Gastrointestinal Surgery 2024年第6期16卷 1791-1802页

作者： Yin-Jie Zhou Zhi-E Tan Wei-Da Zhuang Xin-Hua Xu Department of Oncology The First College of Clinical Medical ScienceChina Three Gorges University&Yichang Central People's HospitalYichang 443000Hubei ProvinceChina Department of Nuclear Medicine The First College of Clinical Medical ScienceChina Three Gorges University&Yichang Central People's HospitalYichang 443000Hubei ProvinceChina Department of Athe and Intestinal Surgery Cancer Hospital of The Chinese Academy of Medical SciencesBeijing 100021China

BACKGROUND Metastatic colorectal cancer(mCRC)is a common malignancy whose treatment has been a clinical ***-specific survival(CSS)plays a crucial role in assessing patient prognosis and treatment ***,there is still li-mited research on the factors affecting CSS in mCRC patients and their *** To predict CSS,we developed a new nomogram model and risk grading system to classify risk levels in patients with *** Data were extracted from the United States Surveillance,Epidemiology,and End Results database from 2018 to *** eligible patients were randomly divided into a training cohort and a validation *** Cox proportional hazards model was used to investigate the independent risk factors for CSS.A new nomogram model was developed to predict CSS and was evaluated through internal and external *** A multivariate Cox proportional risk model was used to identify independent risk factors for ***,new CSS columns were developed based on these *** consistency index(C-index)of the histogram was 0.718(95%CI:0.712-0.725),and that of the validation cohort was 0.722(95%CI:0.711-0.732),indicating good discrimination ability and better performance than tumor-node-metastasis staging(C-index:0.712-0.732).For the training set,0.533,95%CI:0.525-0.540;for the verification set,0.524,95%CI:*** calibration map and clinical decision curve showed good agreement and good potential clinical *** risk grading system divided all patients into three groups,and the Kaplan-Meier curve showed good stratification and differentiation of CSS between different *** median CSS times in the low-risk,medium-risk,and high-risk groups were 36 months(95%CI:34.987-37.013),18 months(95%CI:17.273-18.727),and 5 months(95%CI:4.503-5.497),*** Our study developed a new nomogram model to predict CSS in patients with synchronous *** addition,the risk-grading system helps to accurately ass

关键词： Colorectal tumor Surveillance epidemiology and end results database nomogram analysis Survival prognosis Retrospective study

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