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Authors' contributions

Guo-Fu Li concepted and designed the study, analyzed and interpreted the data, and drafted the manuscript. Guiying Gao and Jie Guo contributed to the data collection and analysis. Guo Yu and Guo-Fu Li supervised the study and revised the manuscript. Guo Yu administered the study. All authors reviewed and approved the final manuscript.

Data availability statement (delete if not applicable)

The data can be available by reasonable request from the corresponding author.

Financial support

Guo Yu reports receiving grants from Jiangsu Provincial Natural Science Fund for Distinguished Young Scholars (BK20200005).

Declaration of Competing Interest

The authors declare no conflicts of interest that pertain to this work.Please refer to the accompanying ICMJE disclosure forms for further details.

Acknowledgements

The anonymous reviewer #3 added much to this manuscript.

中文翻译：

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长期使用富马酸替诺福韦二吡呋酯和老年慢性乙型肝炎患者骨折风险增加：量化未测量混杂因素对观察关联影响的敏感性分析

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 作者的贡献

李国福构思和设计了这项研究，分析和解释数据，并起草了手稿。Guiying Gao 和 Jie Guo 对数据收集和分析做出了贡献。Guo Yu 和 Guo-Fu Li 监督了这项研究并修改了手稿。郭宇管理了这项研究。所有作者都审查并批准了最终手稿。

数据可用性声明（如果不适用，请删除）

数据可通过通讯作者的合理要求提供。

 财务支持

郭宇报告了获得江苏省杰出青年科学基金 （BK20200005） 的资助。

利益争夺声明

作者声明不存在与本作品相关的利益冲突。有关更多详细信息，请参阅随附的 ICMJE 披露表。

 确认

匿名审稿人 #3 为这份手稿添加了很多内容。