Table 2

CGM-derived parameters of the total population and according to HbA1c categories

NTotal populationHbA1c ≤53HbA1c 54–62HbA1c ≥63P
Number of patients, n79 (100)21 (26.6)22 (27.8)36 (46.6)
iCGM data, days7910 (7–12)11 (8–11.3)8 (6–11)10 (7–12)0.53
Glucose value, mmol/L798.7 ± 2.26.8 ± 0.98.1 ± 0.910.1 ± 2.4<0.001
SD792.6 ± 0.82.1 ± 0.52.2 ± 0.43.1 ± 1.0<0.001
CV (%)7930 ± 732 ± 728 ± 531 ± 80.18
LBGI791.4 ± 1.72.7 ± 2.11.0 ± 1.10.9 ± 1.3<0.001
HBGI797.1 ± 6.82.6 ± 1.64.6 ± 1.811.3 ± 8.1<0.001
TIR, min79939.9 (784.1–1,110.5)1,106.2 (984.2–1,269.8)1,094.9 (1,043.5–1,154.2)758.5 (588.4–968.8)<0.001
TBR episodes, day, n620.03 ± 0.030.04 ± 0.030.03 ± 0.030.02 ± 0.020.007
TBR episodes, night, n620.06 ± 0.060.08 ± 0.080.04 ± 0.040.05 ± 0.050.06
TAR episodes, day, n790.11 ± 0.050.08 ± 0.040.13 ± 0.040.12 ± 0.050.001
TAR episodes, night, n790.04 ± 0.040.02 ± 0.020.04 ± 0.040.06 ± 0.05<0.001
TBR duration, day, min6253.4 (34.4–82.8)46.9 (34.4–100.3)50.6 (29.0–86.2)55.0 (47.7–77.0)0.18
TBR duration, night, min6288.0 (45.0–195.5)162.9 (69.4–227.1)63.0 (39.4–157.8)126.0 (81.5–185.3)0.93
TAR duration, day, min79102.0 (62.5–149.0)81.9 (66.8–122.1)107.0 (79.7–154.5)207.5 (150.6–275.6)<0.001
TAR duration, night, min79120.5 (50.0–232.0)39.7 (23.5–122.5)70.9 (27.6–168.5)232.0 (142.8–337.8)<0.001
  • Data are mean ± SD or median (IQR). duration, median duration episode per day or night; episode, average number of episodes started per hour during daytime (6:00–12:00 a.m.) or nighttime (12:00–6:00 a.m.).