PT - JOURNAL ARTICLE AU - Wilson, Rebecca AU - Margelyte, Ruta AU - Redaniel, Maria Theresa AU - Eyles, Emily AU - Jones, Tim AU - Penfold, Chris AU - Blom, Ashley AU - Elliott, Andrew AU - Harper, Alison AU - Keen, Tim AU - Pitt, Martin AU - Judge, Andrew TI - Risk factors for prolonged length of hospital stay following elective hip replacement surgery: a retrospective longitudinal observational study AID - 10.1136/bmjopen-2023-078108 DP - 2024 Aug 01 TA - BMJ Open PG - e078108 VI - 14 IP - 8 4099 - http://bmjopen.bmj.com/content/14/8/e078108.short 4100 - http://bmjopen.bmj.com/content/14/8/e078108.full SO - BMJ Open2024 Aug 01; 14 AB - Objectives Our aim was to identify which patients are likely to stay in hospital longer following total hip replacement surgery.Design Longitudinal, observational study used routinely collected data.Setting Data were collected from an NHS Trust in South-West England between 2016 and 2019.Participants 2352 hip replacement patients had complete data and were included in analysis.Primary and secondary outcome measures Three measures of length of stay were used: a count measure of number of days spent in hospital, a binary measure of ≤7 days/>7 days in hospital and a binary measure of remaining in hospital when medically fit for discharge.Results The mean length of stay was 5.4 days following surgery, with 18% in hospital for more than 7 days, and 11% staying in hospital when medically fit for discharge. Longer hospital stay was associated with older age (OR=1.06, 95% CI 1.05 to 1.08), being female (OR=1.42, 95% CI 1.12 to 1.81) and more comorbidities (OR=3.52, 95% CI 1.45 to 8.55) and shorter length of stay with not having had a recent hospital admission (OR=0.44, 95% CI 0.32 to 0.60). Results were similar for remaining in hospital when medically fit for discharge, with the addition of an association with highest socioeconomic deprivation (OR=2.08, 95% CI 1.37 to 3.16).Conclusions Older, female patients with more comorbidities and from more socioeconomically deprived areas are likely to remain in hospital for longer following surgery. This study produced regression models demonstrating consistent results across three measures of prolonged hospital stay following hip replacement surgery. These findings could be used to inform surgery planning and when supporting patient discharge following surgery.Data may be obtained from a third party and are not publicly available. The data from North Bristol NHS Trust were obtained under the NIHR ARC West Partnership Agreement. The agreement precludes us from sharing the raw data but it can be published and shared once aggregated to a non-identifiable level.The data from Hospital Episode Statistics (HES) were obtained under licence (DARS-NIC-17875-X7K1V) from NHS Digital (previously the Health and Social Care Information Centre); Copyright © 2021, reused with the permission of The Health & Social Care Information Centre. All rights reserved. The data are provided by patients and collected by the NHS as part of their care and support. HES data can be accessed via NHS Digital: https://digital.nhs.uk/services/data-access-request-service-dars.