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A Step Forward in Long COVID Research: Validating the Post-COVID Cognitive Impairment Scale
Somayeh Pour Mohammadi1, Razieh Etesamipour2, Francisco Mercado Romero1
1Department of Psychology, School of Health Sciences, Rey Juan Carlos University, 28922 Madrid, Spain.
European Journal of Investigation in Health, Psychology and Education
|December 27, 2024
Summary
A new scale effectively measures cognitive impairments in long COVID patients. The Post-COVID Cognitive Impairment Scale is validated for assessing memory and attention deficits in individuals with post-acute sequelae of SARS-CoV-2 infection.
Area of Science:
- Neurology
- Psychiatry
- Infectious Diseases
Background:
- Long COVID, or post-acute sequelae of SARS-CoV-2 infection, presents diverse persistent symptoms affecting physical and psychological health.
- Cognitive impairments, including issues with memory and attention, are significant challenges for individuals experiencing long COVID.
- Accurate assessment tools are crucial for managing and treating these cognitive deficits.
Purpose of the Study:
- To develop and validate the Post-COVID Cognitive Impairment Scale for assessing cognitive dysfunction in long COVID patients.
- To establish the reliability and accuracy of a novel scale designed for post-COVID cognitive impairments.
- To provide a clinical and research tool for identifying and monitoring cognitive deficits post-SARS-CoV-2 infection.
Main Methods:
- Scale development followed by expert content validity evaluation.
- Exploratory and confirmatory factor analysis were employed for structural validation with 454 participants.
- Psychometric properties, including internal consistency (Cronbach's Alpha) and model fit indices, were assessed.
Main Results:
- Exploratory factor analysis identified memory and attention as key variables, explaining 40.38% of the variance.
- Confirmatory factor analysis confirmed satisfactory model fit (CMIN/DF=2.80, RMSEA=0.06, SRMR=0.05, CFI=0.93, TLI=0.92).
- The scale demonstrated strong internal consistency (working memory α=0.81, attention α=0.80) with statistically significant factor loadings (p < 0.001).
Conclusions:
- The Post-COVID Cognitive Impairment Scale is a valid and reliable instrument for assessing cognitive impairments in long COVID.
- This validated scale can aid in the early detection and monitoring of cognitive deficits in individuals with post-acute sequelae of SARS-CoV-2 infection.
- The scale's application in clinical and research settings supports improved patient management and therapeutic tracking.
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