IL6 and Hypertension: The 10 variables with non-zero coefficients in the LASSO logistic regression model (i.e., Scrpost + RBC transfusionU + CPB > 182mi + D-dimerpre + Hypertension + Age > 58 years + Wheats + FET + IL6 > 18 pg/ml + IL6) were used in the final model (in Figures 2, 3).