机器学习揭示了全球癌症结果的特定国家驱动因素
M S Patel1, C S Pramesh2, N N Sanford3
1Department of Molecular Biosciences, The University of Texas at Austin, Austin, USA; Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, USA.
概括
这项研究使用机器学习来识别全球影响癌症存活率的关键卫生系统因素. 它强调了人均国内生产总值,放射治疗和全民健康覆盖 (UHC) 对改善癌症结果的重要性.
科学领域:
- 计算流行病学和卫生服务研究.
- 可解释的人工智能 (XAI) 在全球健康中的应用.
- 对癌症存活率差异和决定因素的分析.
背景情况:
- 全球癌症死亡率与发病率 (MIRs) 差异很大,原因是诊断和治疗准入方面的不平等.
- 了解国家特定的卫生系统对MIR的贡献,对于政策优先确定至关重要.
研究的目的:
- 开发一个可解释的机器学习框架,以量化卫生系统对国家MIR贡献者的数量.
- 通过确定国家一级癌症存活率的关键驱动因素,为政策决策提供信息.
主要方法:
- 汇集了185个国家的国家MIR (GLOBOCAN 2022) 和卫生系统指标.
- 采用了CatBoost梯度增强模型,具有严格的交叉验证和超参数优化.
- 利用夏普利增量解释 (SHAP) 进行模型解释性和特征归属.
主要成果:
- 该模型显示了国家MIR的强大预测性能 (R2 = 0.852).
- 在全球范围内,人均GDP (22.5%),放射治疗中心 (15.4%) 和UHC指数 (12.9%) 是主要的决定因素.
- 具体国家分析揭示了异质的驱动因素,使得定制的政策建议.
结论:
- 一种可解释的AI方法可以准确地预测MIR并将其归因于特定的卫生系统因素.
- 放射治疗能力和UHC扩展是改善癌症存活率的经常性,可操作的杆.
- 战略性分配医疗支出,而不仅仅是总支出,对于更好的癌症结果至关重要.
更多相关视频
相关概念视频
Cancer Survival Analysis
648
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
648
Mouse Models of Cancer Study
6.4K
Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
6.4K
Cancer
53.5K
Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
53.5K
Cancers Originate from Somatic Mutations in a Single Cell
14.6K
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
14.6K
Combination Therapies and Personalized Medicine
5.9K
Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
5.9K
Adaptive Mechanisms in Cancer Cells
7.0K
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
7.0K


