1. The interplay between infection risk factors of SARS-CoV-2 and mortality: a cross-sectional study from a cohort of long-term care nursing home residents.
- Author
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Soldevila L, Prat N, Mas MÀ, Massot M, Miralles R, Bonet-Simó JM, Isnard M, Expósito-Izquierdo M, Garcia-Sanchez I, Rodoreda-Noguerola S, Moreno N, Badia E, López G, Sevilla J, Estrada O, and Vallès X
- Subjects
- Aged, Aged, 80 and over, Cross-Sectional Studies, Female, Humans, Long-Term Care, Male, Nursing Homes, Pandemics, Risk Factors, COVID-19, SARS-CoV-2
- Abstract
Background: Covid-19 pandemic has particularly affected older people living in Long-term Care settings in terms of infection and mortality., Methods: We carried out a cross-sectional analysis within a cohort of Long-term care nursing home residents between March first and June thirty, 2020, who were ≥ 65 years old and on whom at least one PCR test was performed. Socio-demographic, comorbidities, and clinical data were recorded. Facility size and community incidence of SARS-CoV-2 were also considered. The outcomes of interest were infection (PCR positive) and death., Results: A total of 8021 residents were included from 168 facilities. Mean age was 86.4 years (SD = 7.4). Women represented 74.1%. SARS-CoV-2 infection was detected in 27.7% of participants, and the overall case fatality rate was 11.3% (24.9% among those with a positive PCR test). Epidemiological factors related to risk of infection were larger facility size (pooled aOR 1.73; P < .001), higher community incidence (pooled aOR 1.67, P = .04), leading to a higher risk than the clinical factor of low level of functional dependence (aOR 1.22, P = .03). Epidemiological risk factors associated with mortality were male gender (aOR 1.75; P < .001), age (pooled aOR 1.16; P < .001), and higher community incidence (pooled aOR 1.19, P = < 0.001) whereas clinical factors were low level of functional dependence (aOR 2.42, P < .001), Complex Chronic Condition (aOR 1.29, P < .001) and dementia (aOR 1.33, P <0.001). There was evidence of clustering for facility and health area when considering the risk of infection and mortality (P < .001)., Conclusions: Our results suggest a complex interplay between structural and individual factors regarding Covid-19 infection and its impact on mortality in nursing-home residents., (© 2022. The Author(s).)
- Published
- 2022
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