Rising to the challenge of defining and operationalising multimorbidity in a UK hospital setting: the ADMISSION research collaborative

Journal: European Geriatric Medicine

Authors: Rachel Cooper, Jonathan G. Bunn, Sarah J. Richardson, Susan J. Hillman, Avan Aihie Sayer, Miles D. Witham

Summary: In this paper we outline a set of principles to guide selection of long-term conditions when studying multiple long-term conditions (MLTC) in a hospital setting.  We then apply these principles to identify a list of 60 conditions (and ICD-10 codes for each of these conditions) that we recommend are utilised when conducting research on MLTC in hospital-based populations in the UK and other countries with similar population health profiles. Our work addresses the need for greater transparency and consistency in the approach to the definition of MLTC and provides clear recommendations for those conducting research on MLTC in the hospital context.

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