Age and frailty are independently associated with increased COVID-19 mortality and increased care needs in survivors: results of an international multi-centre study

Mustafa Alsahab, Lucy Beishon, Bryony Brown, Elinor Burn, Jenni K. Burton, N Cox, Melanie Dani, Muhammed Elhadi, Sarah Freshwater, Victoria Gaunt, Adam Gordon, Marie Goujon, Matthew Hale, Terry Hughes, TA Jackson, Benjamin Jelley, A Khan, Heena Khiroya, Rajni Lal, Katy MaddenLaura Magill, Jane Masoli, Tahir Masud, Lauren McCluskey, Natalie McNeela, Awolkhier Mohammedseid-Nurhussien, Hannah Moorey, Mary Ni Lochlainn, Krishnarajah Nirantharakumar, Kelvin Okoth, Christopher N. Osuafor, Katherine Patterson, Grace M.E. Pearson, Rita Perry, Michala Pettitt, Jennifer Pigott, T Pinkney, Terence Quinn, A Reynolds, S Richardson, Nik Sanyal, Adam Seed, Isobel Sleeman, Chee Soo, Claire Steves, W. David Strain, J Taylor, Kelli Torsney, Carly Welch*, Daisy Wilson, Miles Witham, HASA Elazeem, Mohammed H. Abdelhafez, Amir Abdelmalak, Omar A. Abdelwahab, Osama M.A.S. Abdulhadi, Olubayode Adewole, M Ahmad, EA Ahmed, H Ahmed, IA Ahmed, M Akcay, Y Akdeniz, E Akın, C Akladious, F Alessandri, Alessandri Ali, A Aljafari, A Aljafari, M Al-Sadawi, L Al-Sodani, F Altintoprak, G Amaratungaz, J Amer, S Amini, T Amir, C Anandarajah, R Anders, MH Ansari, K Appiah, J Atia, C Atkin, A Aujayeb, EM Awad, MA Azab, MT Azam, S Aziz, Y. Azzam, Laxmi Babar, Laura Babb, Manpreet Badh, Clare Baguneid, Emily Bailey, Victoria Haunton

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract


Introduction: Increased mortality has been demonstrated in older adults with coronavirus disease 2019 (COVID-19), but the effect of frailty has been unclear. Methods: This multi-centre cohort study involved patients aged 18 years and older hospitalised with COVID-19, using routinely collected data. We used Cox regression analysis to assess the impact of age, frailty and delirium on the risk of inpatient mortality, adjusting for sex, illness severity, inflammation and co-morbidities. We used ordinal logistic regression analysis to assess the impact of age, Clinical Frailty Scale (CFS) and delirium on risk of increased care requirements on discharge, adjusting for the same variables. Results: Data from 5,711 patients from 55 hospitals in 12 countries were included (median age 74, interquartile range [IQR] 54 83; 55.2% male). The risk of death increased independently with increasing age (>80 versus 18 49: hazard ratio [HR] 3.57, confidence interval [CI] 2.54 5.02), frailty (CFS 8 versus 1 3: HR 3.03, CI 2.29 4.00) inflammation, renal disease, cardiovascular disease and cancer, but not delirium. Age, frailty (CFS 7 versus 1 3: odds ratio 7.00, CI 5.27 9.32), delirium, dementia and mental health diagnoses were all associated with increased risk of higher care needs on discharge.The likelihood of adverse outcomes increased across all grades of CFS from 4 to 9. Conclusion: Age and frailty are independently associated with adverse outcomes in COVID-19. Risk of increased care needs was also increased in survivors of COVID-19 with frailty or older age.
Original languageEnglish
Pages (from-to)617-630
JournalAge and Ageing
Volume50
Issue number3
Early online date5 Feb 2021
DOIs
Publication statusPublished - 5 May 2021

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