The median (IQR) TTR for index CBGs in the range of 1–3.9 mmol/L was: 53 (26–112) min in individuals with T1DM; 64 (30–147) min in patients with T2DM on insulin; and 97 (40–292) min in T2DM patients on SU. Here, TTR is linked to type 1 diabetes mellitus.