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Table 2 Number of cardiovascular risk factors and severe COVID-19 events

From: The effect of vascular risk factor burden on the severity of COVID-19 illness, a retrospective cohort study

Vascular risk factor number Severe COVID-19 event, n (%)*
No risk factor n = 16 1 (6.3)
One risk factor n = 38 2 (5.3)
Two risk factors n = 58 8 (13.8)
Three risk factors n = 34 8 (23.5)
Four risk factors n = 15 8 (53.3)
Five risk factors n = 3 2 (66.7)
  1. Vascular risk factors include hypertension, diabetes, dyslipidemia, atrial fibrillation, current smoker, overweight and physical inactivity
  2. Abbreviations: COVID-19 coronavirus disease 2019
  3. * P < 0.001 (chi-square test)