In the final multivariable linear regression model adjusting for age, sex, diabetes, BMI, summed stress score, serum creatinine, IL-6 and hs-CRP (Table 3), SUA was not associated with CFR (β = − 0.12, p = 0.78) or stress MBF (β = − 0.52, p = 0.28). The gene discussed is IL6; the disease is diabetes mellitus.