Fig. 1. Bland–Altman plot of 807 paired ABL-IvSCGM values with mean bias and 95% limits of agreement marked with horizontal lines . ABL = blood glucose value as obtained via blood gas analyzer (ABL 725; Radiometer, Brønshøj, Denmark); IvSCGM = blood glucose value as obtained from intravascular continuous glucose monitor (Invivosense Continuous Glucose Monitor; Invivosense ASA, Trondheim, Norway).