IL6 and diabetes mellitus: InFigure 1 in the mild COVID-19 group, two patients had IL-6 levels higher than the average IL-6: a female patient (aged 68 years) who had an IL-6 level of 638.3 pg/mL and NLR of 2.81, who was diagnosed with mild COVID-19 accompanied by diabetes mellitus and hypertension; a male patient (aged 29 years) who had an IL-6 level of 485.4 pg/mL and NLR of 1.26, who was diagnosed with mild COVID-19 accompanied by fever, cough and nausea.