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Utility of severity assessment tools in COVID-19 pneumonia: a multicentre observational study

  • Asim Ahmed
  • , Sayed A Alderazi
  • , Rumaisa Aslam
  • , Barooq Barkat
  • , Bethan L Barker
  • , Rahul Bhat
  • , Samuel Cassidy
  • , Louise E Crowley
  • , Davinder Ps Dosanjh
  • , Hussain Ebrahim
  • , Najla Elndari
  • , Claudia Gardiner
  • , Atena Gogokhia
  • , Frances S Grudzinska
  • , Megha T Gurung
  • , Terry Hughes
  • , Iyad Ismail
  • , Natasha Iredale
  • , Sannaan Irshad
  • , Sarah Johnson
  • Diana Kavanagh, Thomas Knight, Alana Livesey, Sebastian T Lugg, Manoj Marathe, Andrew Mcdougall, Wasim Nawaz, Kimberly Nettleton, Lauren O’flynn, Kelvin Okoth, Dhruv Parekh, Rita Perry, Elizabeth J Pudney, Ambreen Sadiq, Olutobi Soge, Rhania Soloman, Marina Soltan, Martin Strecker, Onn S Thein, David Thickett, Ajit Thomas, Riah Thornton

Research output: Contribution to journal › Article › peer-review

Abstract

Background: Severity scores in pneumonia and sepsis are being applied to SARS-CoV-2 infection. We aimed to assess whether these severity scores are accurate predictors of early adverse outcomes in COVID-19.

Methods: We conducted a multicentre observational study of hospitalised SARS-CoV-2 infection. We assessed risk scores (CURB65, qSOFA, Lac-CURB65, MuLBSTA and NEWS2) in relation to admission to intensive care or death within 7 days of admission, defined as early severe adverse events (ESAE). The 4C Mortality Score was also assessed in a sub-cohort of patients.

Findings: In 2,387 participants, the overall mortality was 18%. In all scores examined, increasing score was associated with increased risk of ESAE. Area under the curve (AUC) to predict ESAE for CURB65, qSOFA, Lac-CURB65, MuLBSTA and NEWS2 were 0.61, 0.62, 0.59, 0.59 and 0.68, respectively. AUC to predict ESAE was 0.60 with ISARIC 4C Mortality Score.

Conclusion: None of the scores examined accurately predicted ESAE in SARS-CoV-2 infection. Non-validated scores should not be used to inform clinical decision making in COVID-19.
Original languageEnglish
Pages (from-to)63-70
Number of pages8
JournalClinical Medicine
Volume22
Issue number1
DOIs
Publication statusPublished - 25 Jan 2022

Keywords

  • COVID-19
  • pneumonia
  • severity score
  • collaborative

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