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. Author manuscript; available in PMC: 2024 Feb 1.
Published in final edited form as: Clin Chem. 2023 Feb 1;69(2):180–188. doi: 10.1093/clinchem/hvac192

Table 2.

Pearson’s correlation and within-person coefficient of variation (CVw) for CGM parameters from the Abbott Libre Pro and Dexcom G4 Platinum sensors comparing two-week wear periods, assessed at baseline and the 3-month follow-up visit, N=153

Abbott Libre Pro Dexcom G4 Platinum
Pearson’s
Correlation (r)
CVw (95% CI)* Pearson’s
Correlation (r)
CVw (95% CI)*
Mean glucose, mg/dL 0.69 17.4% (14.4, 20.4) 0.73 14.2% (12.0, 16.5)
Percent time-in-range glucose 70-180 mg/dL 0.71 20.1% (16.9, 23.2) 0.73 18.6% (15.6, 21.6)
 
Percent of time above glucose >180 mg/dL 0.72 53.0% (44.4, 61.7) 0.71 52.5% (41.5, 63.5)
Percent of time above glucose >250 mg/dL 0.70 122.5% (85.7, 159.3) 0.72 118.1% (90.3, 146.0)
 
Percent of time below glucose <70 mg/dL 0.38 157.8% (121.2, 194.3) 0.43 160.6% (93.9, 227.3)
Percent of time below glucose <54 mg/dL 0.26 263.5% (187.7, 339.2) 0.24 298.8% (166.3, 431.3)
 
*

The 95% CIs were bootstrapped with 200 replications