Selected article for: "negative positive and testing 10"
Author: Woolford, S. J.; D’Angelo, S.; Curtis, E. M.; Parsons, C. M.; Ward, K. A.; Dennison, E. M.; Patel, H. P.; Cooper, C.; Harvey, N. C.
Title: COVID-19 and associations with frailty and multimorbidity: a prospective analysis of UK Biobank participants
  • Cord-id: svxiyfue
  • Document date: 2020_7_23
    • ID: svxiyfue
    Snippet: BACKGROUND: Frailty and multimorbidity have been suggested as risk factors for severe COVID-19 disease. AIMS: We investigated, in the UK Biobank, whether frailty and multimorbidity were associated with risk of hospitalisation with COVID-19. METHODS: 502,640 participants aged 40–69 years at baseline (54–79 years at COVID-19 testing) were recruited across UK during 2006–10. A modified assessment of frailty using Fried’s classification was generated from baseline data. COVID-19 test results
    Document: BACKGROUND: Frailty and multimorbidity have been suggested as risk factors for severe COVID-19 disease. AIMS: We investigated, in the UK Biobank, whether frailty and multimorbidity were associated with risk of hospitalisation with COVID-19. METHODS: 502,640 participants aged 40–69 years at baseline (54–79 years at COVID-19 testing) were recruited across UK during 2006–10. A modified assessment of frailty using Fried’s classification was generated from baseline data. COVID-19 test results (England) were available for 16/03/2020–01/06/2020, mostly taken in hospital settings. Logistic regression was used to discern associations between frailty, multimorbidity and COVID-19 diagnoses, after adjusting for sex, age, BMI, ethnicity, education, smoking and number of comorbidity groupings, comparing COVID-19 positive, COVID-19 negative and non-tested groups. RESULTS: 4510 participants were tested for COVID-19 (positive = 1326, negative = 3184). 497,996 participants were not tested. Compared to the non-tested group, after adjustment, COVID-19 positive participants were more likely to be frail (OR = 1.4 [95%CI = 1.1, 1.8]), report slow walking speed (OR = 1.3 [1.1, 1.6]), report two or more falls in the past year (OR = 1.3 [1.0, 1.5]) and be multimorbid (≥ 4 comorbidity groupings vs 0–1: OR = 1.9 [1.5, 2.3]). However, similar strength of associations were apparent when comparing COVID-19 negative and non-tested groups. However, frailty and multimorbidity were not associated with COVID-19 diagnoses, when comparing COVID-19 positive and COVID-19 negative participants. DISCUSSION AND CONCLUSIONS: Frailty and multimorbidity do not appear to aid risk stratification, in terms of positive versus negative results of COVID-19 testing. Investigation of the prognostic value of these markers for adverse clinical sequelae following COVID-19 disease is urgently needed. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s40520-020-01653-6) contains supplementary material, which is available to authorized users.

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