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Risk Factors for COVID-19 Morbidity and Mortality in Institutionalised Elderly People
Ander Burgaña Agoües1, Marta Serra Gallego1, Raquel Hernández Resa1
1Atenció Primària, Fundació Assitencial Mútua Terrassa, 08221 Terrassa, Spain.
COVID-19 infection in nursing homes is linked to staff infection rates. Higher mortality in elderly residents is associated with male sex and greater dependency, highlighting the need for robust staff management and infection control.
Area of Science:
- Gerontology
- Infectious Diseases
- Epidemiology
Background:
- High mortality from SARS-CoV-2 in institutionalized individuals.
- Limited research on COVID-19's impact in nursing homes.
- Focus on factors influencing morbidity and mortality in elderly residents.
Purpose of the Study:
- Analyze factors associated with SARS-CoV-2 infection in nursing home residents.
- Identify predictors of COVID-19 mortality in institutionalized elderly.
- Evaluate the role of nursing home characteristics and individual resident factors.
Main Methods:
- Cohort study of 842 residents across 12 Spanish nursing homes (March-May 2020).
- Evaluation of demographic, clinical, and therapeutic individual factors.
- Assessment of nursing home size and staff infection rates; SARS-CoV-2 diagnosis via PCR.
Main Results:
- 44% of residents tested positive for SARS-CoV-2; 11.1% mortality rate.
- Infection associated with nursing home staff infection rates.
- Mortality linked to male sex and higher dependency (Barthel index).
Conclusions:
- Nursing home staff infection rates correlate with resident SARS-CoV-2 spread.
- Mortality is predicted by sex and dependency level.
- Effective management requires stringent staff protocols and infection control, particularly for high-dependency residents.
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