Blood Glucose Accurately Predicts COVID-19 Severity

The Nov. 23 issue of Annals of Internal Medicine published an observational study that concluded that hyperglycemia (blood sugar level) independently predicted progression from noncritical to critical condition and death, regardless of prior Diabetes history,  among more than 11,000 patients with confirmed COVID-19, from 109 hospitals in Spain. This study informs how people admitted to a hospital even with mild hyperglycemia should be treated. Since it examines outcome by admission blood sugar level it eliminates the effect of any inpatient treatment.

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