Impact of obesity and diabetes mellitus in critically ill patients with SARS-CoV-2.
2021
PURPOSE Evaluate the associations of obesity and diabetes with the risk of mortality in critically ill patients infected with SARS-CoV-2. MATERIALS AND METHODS This cohort study included 115 adult patients admitted to the ICU with SARS-CoV-2 pneumonia. Anthropometric variables and biochemical (C-reactive protein, ferritin, leukocyte, neutrophils, and fibrinogen) were measured. Multivariate logistic regression analyses were used to investigate the associations. RESULTS Mean age was 50.6±11.2 years, 68.7% were male. Median BMI was 30.9kg/m2. All patients had invasive mechanical ventilation. Patients with diabetes had increased risk of mortality with OR of 2.86 (CI 95% 1.1-7.4, p=0.026); among those patients who, in addition to diabetes had obesity, the risk was de 3.17 (CI 95% 1.9-10.2, p=0.038). Patients with obesity had 1.25 times greater risk of developing a severe SARS-CoV-2 infection (95% CI 1.09-1.46, p=0.025). Negative correlation was observed between BMI and the PaO2/FiO2 ratio (r=-0.023, p<0.05). Obese patients required more days of mechanical ventilation and longer hospital stay compared to non-obese patients. CONCLUSIONS Diabetes and obesity are risk factors for increasing severity of SARS-CoV-2 infection, and they are both associated with an increase in mortality.
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