Risk factors associated with worse outcomes in COVID-19: a retrospective study in Saudi Arabia

Anas Khan1,2, Saqer Althunayyan3, Yousef Alsofayan2

  • 1Department of Emergency Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia.

Insights

Older males, those with cardiac or respiratory conditions, and individuals with multiple comorbidities faced higher risks of severe outcomes from COVID-19. This highlights the need for targeted risk assessment in Saudi Arabia.

Area of Science:

  • Epidemiology
  • Public Health
  • Infectious Diseases

Background:

  • The COVID-19 pandemic has caused widespread illness and death, straining healthcare systems globally.
  • Understanding risk factors for severe COVID-19 outcomes is crucial for effective patient management and resource allocation.

Purpose of the Study:

  • To identify demographic and clinical risk factors associated with poor prognosis in COVID-19 patients in Saudi Arabia.
  • To inform clinical decision-making and public health strategies for managing COVID-19.

Main Methods:

  • A multi-center retrospective cohort study involving 648 laboratory-confirmed COVID-19 cases in Saudi Arabia (March 2020).
  • Data on demographics, clinical history, comorbidities, and outcomes were extracted from the National Health Electronic Surveillance Network (HESN).
  • Logistic regression models were used to determine odds ratios (OR) for critical outcomes (ICU admission or death).

Main Results:

  • Key risk factors for critical outcomes included being male (OR=1.92), age over 60 years (OR=3.65), cardiac diseases (OR=3.05), and chronic respiratory diseases (OR=2.29).
  • Patients with two or more comorbidities had a significantly higher risk (OR=2.57) of severe outcomes.
  • All identified risk factors were statistically significant (P<0.05) after adjusting for age and sex.

Conclusions:

  • Independent predictors of critical COVID-19 outcomes in Saudi Arabia are advanced age, male sex, pre-existing cardiac and chronic respiratory diseases, and multiple comorbidities.
  • Development of a specialized multi-item scale is recommended for improved prognostication of COVID-19 patients.
Abstract