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Table 1 Obesity as a risk factor for the worse COVID-19 course

From: The vicious cycle: a history of obesity and COVID-19

Study Patients Hospitalization
OR (95% CI)
ICU admission
OR (95% CI)
In-hospital death
OR (95% CI)
Severe course
OR (95% CI)
Popkin [7] 399,461 2.13 (1.74–2.60) 1.74 (1.46–2.08) 1.48 (1.22–1.80)
Cai [8] 383 3.40 (1.40–2.86)
Simonnet [9] 124 7.36 (1.63–33.14)a
Petrilli [10]b 5,279 1.45 (0.99–2.13) 1.71 (1.10–2.7)
Yates [11] 54,254 3.91 (3.13–4.88)
5.03 (3.94 -6.63)a
1.93 (1.49–2.51)
Kompaniyets [12]b 148,494 1.33 (1.30–1.37) 1.16 (1.11–1.20)
2.08 (1.89–2.29)a
1.61 (1.47 − 1.76)
  1. OR odds ratio, CI confidence interva, ICU intensive care unit
  2. aRequiring invasive mechanical ventilation
  3. bBMI > 40 kg/m2