COVID-19 symptoms at hospital admission vary with age and sex: results from the ISARIC prospective multinational observational study

  • Sheryl Ann Abdukahil
  • , Ryuzo Abe
  • , Laurent Abel
  • , Lara Absil
  • , Andrew Acker
  • , Shingo Adachi
  • , Elisabeth Adam
  • , Diana Adrião
  • , Kate Ainscough
  • , Ali Ait Hssain
  • , Younes Ait Tamlihat
  • , Takako Akimoto
  • , Tala Al-Dabbous
  • , Abdulrahman Al-Fares
  • , Eman Al Qasim
  • , Razi Alalqam
  • , Beatrice Alex
  • , Kévin Alexandre
  • , Huda Alfoudri
  • , Kazali Enagnon Alidjnou
  • Jeffrey Aliudin, Clotilde Allavena, Nathalie Allou, João Alves, Rita Alves, Maria Amaral, Heidi Ammerlaan, Phoebe Ampaw, Roberto Andini, Claire Andrejak, Andrea Angheben, François Angoulvant, Séverine Ansart, Massimo Antonelli, Carlos Alexandre Antunes De Brito, Yaseen Arabi, Irene Aragao, Antonio Arcadipane, Lukas Arenz, Jean Benoît Arlet, Christel Arnold-Day, Lovkesh Arora, Elise Artaud-Macari, Angel Asensio, Jean Baptiste Assie, Anika Atique, Johann Auchabie, Hugues Aumaitre, Tom Fletcher, Ymkje Stienstra

Research output: Contribution to journalArticlepeer-review

58 Citations (Scopus)

Abstract

Background

The ISARIC prospective multinational observational study is the largest cohort of hospitalized patients with COVID-19. We present relationships of age, sex, and nationality to presenting symptoms.

Methods

International, prospective observational study of 60 109 hospitalized symptomatic patients with laboratory-confirmed COVID-19 recruited from 43 countries between 30 January and 3 August 2020. Logistic regression was performed to evaluate relationships of age and sex to published COVID-19 case definitions and the most commonly reported symptoms.

Results

‘Typical’ symptoms of fever (69%), cough (68%) and shortness of breath (66%) were the most commonly reported. 92% of patients experienced at least one of these. Prevalence of typical symptoms was greatest in 30- to 60-year-olds (respectively 80, 79, 69%; at least one 95%). They were reported less frequently in children (≤ 18 years: 69, 48, 23; 85%), older adults (≥ 70 years: 61, 62, 65; 90%), and women (66, 66, 64; 90%; vs. men 71, 70, 67; 93%, each P < 0.001). The most common atypical presentations under 60 years of age were nausea and vomiting and abdominal pain, and over 60 years was confusion. Regression models showed significant differences in symptoms with sex, age and country.

Interpretation

This international collaboration has allowed us to report reliable symptom data from the largest cohort of patients admitted to hospital with COVID-19. Adults over 60 and children admitted to hospital with COVID-19 are less likely to present with typical symptoms. Nausea and vomiting are common atypical presentations under 30 years. Confusion is a frequent atypical presentation of COVID-19 in adults over 60 years. Women are less likely to experience typical symptoms than men.

Original languageEnglish
Pages (from-to)889-905
Number of pages17
JournalInfection
Volume49
Issue number5
DOIs
Publication statusPublished - 25 Jun 2021
Externally publishedYes

Keywords

  • Case definition
  • COVID-19
  • Diagnosis
  • SARS-CoV-2
  • Symptoms

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