[Translated article] Has the COVID-19 lockdown influenced the mortality of hip fracture? Analysis of one-year mortality

The main objective of this study is to analyse the one-year mortality in patients with intracapsular hip fracture who were admitted during severe social confinement in the first months of the COVID-19 lockdown and compare it with previous years. Retrospective observational study in which a cohort from March 14 to June 21, 2020 (pandemic group, n=62) was compared with a control cohort on the same dates in the years 2017, 2018 and 2019 (control group, n=172). Thirty-day-mortality and one-year-mortality, orthopaedic complications, ASA grade, comorbidities, diagnosis and treatment, time to surgery and mean stay were measured. No significant differences were found in 30-day mortality (p=0.156; 9.7% compared to 4.7%) or in one-year mortality (p=0.47) between the pandemic group (21%) and the control one (16.9%). A decrease in surgical delay and mean stay was observed in the pandemic group, although without statistical significance. The State of Alarm modified the distribution of the type of hip fracture with a predominance of intracapsular fracture. Maintaining the same hospital management as prior to the pandemic period made it possible not to increase 30-day mortality and one-year mortality in patients with intracapsular hip fracture. El objetivo principal de este estudio es analizar la mortalidad al año en los pacientes con fractura intracapsular de cadera que ingresaron durante un severo confinamiento social en los primeros meses de la pandemia por COVID-19 y compararla con la mortalidad en los años previos. Estudio observacional retrospectivo en el que se comparó una cohorte del 14 marzo al 21 de junio de 2020 (grupo pandemia, n=62) con una cohorte control en las mismas fechas de los años 2017, 2018 y 2019 (grupo control, n=172). Se midieron la mortalidad a los 30días y al año, las complicaciones ortopédicas, el grado ASA, las comorbilidades, el diagnóstico y el tratamiento, el tiempo hasta cirugía y la estancia hospitalaria. No se encontraron diferencias significativas en la mortalidad a los 30días (p=0,156; 9,7% vs. 4,7%) ni en la mortalidad anual (p=0,47) entre el grupo pandemia (21%) y el grupo control (16,9%). Se objetivó un descenso de la demora quirúrgica y de la estancia media en el grupo pandemia, aunque sin significación estadística. El estado de alarma modificó la distribución del tipo de fractura de cadera, con un predominio de la fractura intracapsular. El hecho de mantener el mismo manejo hospitalario que el previo a la pandemia permitió no inc