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第46卷第7期 张 梦,汤 婷,潘志娟,等. 小细胞肺癌患者化疗期间肺部感染风险评分模型的构建与验证[J].
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证集病例之间存在约1年的间隔,期间化疗方案、抗 meta⁃analysis[J]. BMC Pulm Med,2024,24(1):353
菌药物使用策略及支持治疗水平可能发生变化,因此 [8] 付金平,陈 惠,赵 洁,等. 肺癌放化疗后患者发生肺
可能存在一定时间偏倚。此外,本研究训练集中共发 部感染的危险因素及其风险预测列线图模型构建[J].
生53例肺部感染事件,最终纳入多因素Logistic回归 中华医院感染学杂志,2024,34(8):1145-1149
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模型的变量数为 5 个,参考预测模型研究中常用的
of pulmonary infection in patients with lung cancer after
事件数/变量数(events per variable,EPV)原则进行
chemoradiotherapy and construction of risk prediction no⁃
合理性评估,EPV 约为 10.6,高于传统推荐下限,但 mograph mode[J]. Chinese Journal of Nosocomiology,
可能对模型稳定性产生一定影响。尽管本研究通过 2024,34(8):1145-1149
Bootstrap重抽样进行内部验证,并在验证集中显示出 [9] 张俐丽,冯国琴. 个体化预测非小细胞肺癌患者化疗期
良好的预测性能,但仍需在多中心、大样本研究中对 间肺部感染风险 Nomogram 模型的建立与验证[J].中
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利益冲突声明: ZHANG L L,FENG G Q. Construction and validation of
所有作者声明无利益冲突。 Nomogram model for individualized prediction of risk of
Conflict of Interests: pulmonary infection in patients with non⁃small cell lung
All authors disclose no relevant conflict of interests. cancer during chemotherapy[J]. Chinese Journal of Infec⁃
作者贡献声明: tion Control,2022,21(2):171-179
张梦负责研究设计、数据收集、数据分析、论文撰写;汤 [10]金剑英,朱延安,郭群依,等. 老年肺癌化疗患者合并肺
婷、潘志娟参与制定研究计划、负责部分样本数据分析;朱金 部感染影响因素分析[J]. 浙江医学,2018,40(08):
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究工作负责。 JIN J Y,ZHU Y A,GUO Q Y,et al. Complicated pulmo⁃
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