Additional file 3 of The effect of all-cause hospitalization on cognitive decline in older adults: a longitudinal study using databases of the National Health Insurance Service and the memory clinics of a self-run hospital

Additional file 3. R codes for the statistical analyses are provided (The R Project for Statistical Computing; https://www.R-project.org/ ).附加文件3中提供了用于统计分析的R代码（统计计算R项目（R Project for Statistical Computing）；https://www.R-project.org/）。