Hyperglycemia is a strong predictor of poor prognosis in COVID-19

Link to article at PubMed

Diabetes Res Clin Pract. 2020 Jul 23:108338. doi: 10.1016/j.diabres.2020.108338. Online ahead of print.


AIMS: The objective of this study is to explore the association between documented diabetes, fasting plasma glucose (FPG), and the clinical outcomes of Coronavirus disease 2019 (COVID-19) .

METHODS: This retrospective study included 255 patients with COVID-19. Of these, 214 were admitted to isolation wards and 41were admitted to intensive care units (ICUs).Demographic, clinical, treatment, and laboratory data were collected and compared between ICU and non-ICU patients. Multivariable logistic regression models were used to explore the risk factors associated with poor clinical outcomes (ICU admission or death).

RESULTS: There were significant changes in several clinical parameters in ICU patients (leukopenia, lymphopenia, elevated D-dimer, as well as higher levels of FPG, cardiac troponin, serum ferritin,IL-6, and high-sensitivity C-reactive protein)compared with non-ICU patients. The prevalence of known diabetes was substantially higher in ICU than non-ICU patients (31.7% vs. 17.8%, P=0.0408).Multivariable regression analysis showed that a history of diabetes [odds ratio (OR), 0.099; 95% confidence interval (CI), 0.016-0.627; P=0.014], high FPG at admission (OR, 1.587; 95% CI, 1.299-1.939, P<0.001), high IL-6 (OR, 1.01; 95% CI, 1.002-1.018, P=0.013), and D-dimer higher than 1 mg/L at admission (OR, 4.341; 95% CI, 1.139-16.547, P=0.032) were independent predictors of poor outcomes. Cox proportional hazards analysis showed that compared with FPG <7mmol/L, FPG levels of 7.0-11.1 mmol/L and ≥11.1mmol/L were associated with an increased hazard ratio (HR) for poor outcome (HR, 5.538 [95% CI, 2.269-13.51] and HR, 11.55 [95% CI, 4.45-29.99], respectively).

CONCLUSION: Hyperglycemia and a history of diabetes on admission predicted poor clinical outcomes in COVID-19.

PMID:32712122 | DOI:10.1016/j.diabres.2020.108338

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