INS and Hyperglycemia: Given the highly similar glucose values obtained in venous, arterial, capillary and subcutaneous interstitial tissue in both diabetic and non-diabetic patients, we are quite confident that insulin administration in diabetic patients did not impact interstitial vs. blood glucose dynamics.” In critically ill patients with hyperglycemia the FreeStyle has a MARD of 18% that was considered still acceptable in clinical management [34].