![Article](https://bmjjournals-chicken.bmj.com/bmjmedicine/wp-content/uploads/sites/66/2024/04/kidney-dialysis-580-x-352.jpg)
Identification of patients undergoing chronic kidney replacement therapy in primary and secondary care data
This study compared the OpenSAFELY coding of kidney replacement therapy in primary and secondary care data with UKRR data, to understand whether patients have been accurately identified in existing analyses of linked primary and secondary care data