Background: The literature refers that falls are of multifactorial origin, and some authors have proposed to classify risk factors as intrinsic and extrinsic.
Objective: To estimate the risk of falls and their association with some intrinsic and extrinsic factors in older adults who receive medical care at the Mexican Institute of Social Security.
Methods: Case-control study that included individuals of both genders aged ≥ 60 years. Cases were patients who were admitted to the emergency department of a secondary care hospital diagnosed with injury or fracture secondary to a fall; the controls were patients who attended family medicine units. Descriptive, bivariate and multivariate statistical analysis was carried out. The SPSS program, version 22.0, was used.
Results: Three-hundred and forty-two patients were included (171 cases and 171 controls). Mean age was 76.1 ± 8.8 years, 66 % were women and 97.1 % had self-reported chronic diseases. Differences were observed in body mass index, in the proportion of cases with cognitive impairment, use of walking devices and dependence to perform basic and instrumental activities of daily living. Adjusted multivariate analysis revealed an association between the fall event and cognitive impairment and dependence to perform instrumental activities of daily living.
Conclusions: Cognitive impairment and dependence to perform instrumental activities of daily living were associated with the risk of falling.
Antecedentes: Las caídas tienen un origen multifactorial.
Objetivo: Estimar el riesgo de caídas y su asociación con algunos factores intrínsecos y extrínsecos en adultos mayores.
Métodos: Estudio de casos y controles que incluyó pacientes de ambos sexos con edades ≥ 60 años. Los casos fueron pacientes que ingresaron al servicio de urgencias de un hospital de segundo nivel, con diagnóstico de lesión o fractura secundaria a una caída; los controles fueron pacientes que acudieron a unidades de medicina familiar. El análisis estadístico que se realizó fue descriptivo, bivariante y multivariante. Se utilizó el programa SPSS versión 22.0.
Resultados: Se incluyeron 342 pacientes (171 casos y 171 controles). La edad promedio fue 76.1 ± 8.8 años, el 66 % fueron mujeres y por autorreporte el 97.1 % tenían enfermedades crónicas. Se observaron diferencias en el índice de masa corporal, en la proporción de casos con deterioro cognitivo, uso de dispositivos para caminar y dependencia para realizar actividades básicas e instrumentales de la vida diaria. El análisis multivariante ajustado reveló asociación entre el evento caída con deterioro cognitivo y dependencia para realizar actividades instrumentales de la vida diaria.
Conclusiones: El deterioro cognitivo y la dependencia para realizar actividades instrumentales de la vida diaria se asociaron al riesgo de caer.
Keywords: Adulto mayor; Adultos que viven en comunidad; Caídas; Community-dwelling adults; Factores de riesgo; Falls; Mexico; México; Older adult; Risk factors.
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