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. 2019 Dec 12;19(8):1–108.

Table 2:

Time Within, Below, and Above Target Glucose Range, Hypoglycemia Events, Glucose Variability for Type 1 Diabetes

Group Mean Difference Between Flash and SMBG, % Change Difference in Adjusted Means Between Flash and SMBG (95% CI)a P Value
Flash SMBG
Baseline Study End Baseline Study End
Hours in target glucose range (3.9–10.0 mmol/L) within 24 hours
15.0 15.8 14.8 14.6 NA 1.0 (0.41 to 1.59) .0006
Hours above target glucose range (> 13.3 mmol/L) within 24 hours
1.84 1.67 1.91 2.06 −19.1% −0.37 (−0.69 to −0.05) .0247
Hours in hypoglycemia (< 3.9 mmol/L) within 24 hours
3.38 2.03 3.44 3.27 −38.0% −1.24 (−1.71 to −0.77) < .0001
Hours in hypoglycemia at night (11 pm-6 am) within 7 hours
1.32 0.68 1.48 1.23 −39.8% −0.47 (−0.70 to −0.24) < .0001
Mean no. of hypoglycemia events < 3.9 mmol/L (70 mg/dL) within 24 hours
1.81 1.32 1.67 1.69 −25.8% −0.45 (−0.62 to −0.28) < .0001
Mean amplitude of glucose excursionb
142 132 144 141 NA −8.0 (−13.88 to −2.12) .0004
Blood glucose risk index, mg/dLb
8.2 7.3 8.3 8.4 NA −0.90 (−1.41 to −0.39) .0004
Coefficient of variation in glucose, %b
43.0 37.6 42.5 41.8 NA −4.4 (−5.62 to −3.18) < .0001
Low blood glucose risk indexb
2.7 1.8 2.7 2.6 NA −0.8 (−1.11 to −0.49) < .0001
Standard deviation of glucose, mg/dLb
60.6 55.0 60.1 59.7 NA −5.0 (−7.27 to −2.73) < .0001
Continuous overlapping net glycemic action, 2 hours, mg/dLb
56 49 56 58 NA −9 (−11.55 to −6.45) < .0001
Continuous overlapping net glycemic action, 6 hours, mg/dLb
71 61 69 72 NA −12 (−18.66 to −5.34) .0004

Abbreviations: CI, confidence interval; NA, not applicable; SMBG, self-monitoring of blood glucose.

a

Confidence intervals were computed by the authors of this health technology assessment using standard errors reported in the primary study.

b

A scale for measuring glucose variability.

Source: Bolinder et al.32