Frailty across the adult age spectrum and its effects on outcomes: Experience from a level 1 trauma centre

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BackgroundRecent evidence suggests that frailty may be a more reliable measure than age to predict outcomes following trauma. Frailty leads to prolonged hospitalisation and increased burden on the hospital system in older patients. The aim of this study is to review the prevalence of frailty in our trauma patients and the association of frailty with hospital-based and twelve-month outcomes. MethodsPatient demographics, discharge destination, hospital length of stay (LOS), and functional status at 12 months were reviewed. Frailty was assessed using the Clinical Frailty Scale (score <4 non frail, 4 vulnerable, >4 frail). Factors associated with frailty and outcomes including discharge destination (home or inpatient care) and LOS (p value <0.2) were included in multivariate models. ResultsThere were 1230 patients admitted to the trauma ward between November 2020-August 2021 who had linked registry data. Of these, 217 (17.6 %) were deemed frail with 131 (10.7 %) being vulnerable. In the group over 65 years, 38.6 % were frail and 16.1 % were vulnerable. Accounting for confounding factors (including age), being frail was associated with discharge to further inpatient care (AOR 4.82 (3.02 – 7.68), p value <0.001). At 12 months post injury, the mortality rate of patients with frailty was 28 %, compared to 2 % for the rest of the population and patients reported significantly more problems with undertaking daily tasks such as mobility and self-care. ConclusionAfter adjusting for confounding factors, frailty is associated with nearly five times the increase in odds of a discharge to further inpatient care. Long term outcomes are also significantly poorer for patients with frailty. Identifying frailty on admission may help outcomes by targeting this patient group and optimising healthcare resource usage.