Table 2:
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.
Confidence intervals were computed by the authors of this health technology assessment using standard errors reported in the primary study.
A scale for measuring glucose variability.
Source: Bolinder et al.32