Analysis code and codelists for the UK part of the study "Association of different prescribing patterns for oral corticosteroids with fracture preventive care among older adults: Population-based cohort studies in the UK and Canada"

Link to published article: https://doi.org/10.1001%2Fjamadermatol.2023.2495

How to run

1. Open the R console and call renv::restore() to install the required R packages.
2. Provide a paths.R file in the paths/ folder (see below for using dummy data)
3. Call tar_make() to run the pipeline.

How to inspect targets

• Call tar_read(target) to retrieve a specified target.
• Call tar_visnetwork(targets_only = TRUE) to visualise the pipeline.

File structure

File	Purpose
_targets.R	Declares the targets pipeline. See tar_script() for details.
R/	Contains R scripts with functions to be used in the pipeline.
codelists/	Contains all codelists.
renv.lock	The renv lock file that specifies all package versions.

Run with dummy data

To run analyses with dummy data, provide a paths.R file in the paths/ folder, with the following contents:

path_in <- "dummy_data/"
path_j_drive <- "dummy_data/"
path_z_drive <- "dummy_data/"
path_z_drive_linked <- "dummy_data/"
path_common_dosages <- "dummy_data/Lookups_2022_01/common_dosages.txt"