Table 1.
Mean and 95% Confidence Intervals of Hourly BG, ARD, and RD, As Well As Percentage of Results Within ±15 mg/dL or ±15%, ±20 mg/dL or ±20%, and ±30 mg/dL or ±30% for FreeStyle Libre (FL) and Dexcom G5 (G5) Based on the Complete Study.
| Hour of the day | Mean BG [95% CI] [mg/dL] | MARD G5 [95% CI] [%] | MARD FL [95% CI] [%] | MRD G5 [95% CI] [%] | MRD FL [95% CI] [%] | ±15 mg/dL/±15% G5 [%] | ±15 mg/dL/±15% FL [%] | ±20 mg/dL/±20% G5 [%] | ±20 mg/dL/±20% FL [%] | ±30 mg/dL/±30% G5 [%] | ±30 mg/dL/±30% FL [%] | n |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 147.2 [137.3, 157.0] | 9.3 [7.6, 10.9] | 11.4 [9.3, 13.6] | 2.1 [−0.3, 4.4] | −8.9 [−11.5, −6.4] | 81.8 | 78.2 | 90.9 | 85.5 | 96.4 | 94.5 | 110 |
| 7 | 155.5 [146.4, 164.7] | 12.5 [10.9, 14.1] | 9.9 [8.6, 11.1] | −8.8 [−10.9, −6.7] | −7.9 [−9.4, −6.3] | 68.2 | 83.4 | 80.9 | 92.4 | 94.3 | 97.5 | 157 |
| 8 | 150.1 [142.2, 158.0] | 8.0 [6.7, 9.2] | 9.3 [8.0, 10.5] | 1.4 [−0.4, 3.2] | −5.2 [−6.9, −3.4] | 87.0 | 83.6 | 92.5 | 89.7 | 98.6 | 99.3 | 146 |
| 9 | 210.8 [197.9, 223.8] | 10.3 [8.9, 11.7] | 9.7 [8.3, 11.1] | −2.2 [−4.3, 0.0] | −4.7 [−6.6, −2.7] | 73.4 | 75.5 | 88.1 | 89.5 | 97.9 | 98.6 | 143 |
| 10 | 186.5 [174.4, 198.6] | 13.2 [11.5, 14.9] | 10.7 [9.2, 12.2] | 7.1 [4.5, 9.6] | 0.5 [−1.9, 2.9] | 68.4 | 77.4 | 79.7 | 87.2 | 94.7 | 95.5 | 133 |
| 11 | 133.5 [124.0, 143.1] | 16.3 [13.4, 19.3] | 16.3 [11.0, 21.7] | 9.5 [5.8, 13.2] | 4.4 [−1.5, 10.4] | 63.2 | 69.9 | 77.9 | 77.9 | 89.7 | 91.9 | 136 |
| 12 | 121.8 [114.5, 129.0] | 12.2 [10.6, 13.8] | 11.8 [10.0, 13.6] | 2.8 [0.3, 5.4] | −1.3 [−4.0, 1.3] | 73.4 | 76.9 | 87.4 | 86.0 | 96.5 | 95.8 | 143 |
| 13 | 120.9 [113.3, 128.5] | 11.4 [9.8, 13.0] | 12.2 [10.5, 13.9] | 0.4 [−2.0, 2.8] | −6.0 [−8.4, −3.6] | 80.1 | 75.0 | 85.9 | 87.2 | 94.9 | 94.9 | 156 |
| 14 | 151.2 [142.5, 159.8] | 14.2 [12.4, 15.9] | 13.4 [11.4, 15.4] | −3.4 [−6.2, −0.6] | −6.3 [−9.0, −3.5] | 64.6 | 71.4 | 77.6 | 81.0 | 92.5 | 89.1 | 147 |
| 15 | 149.3 [139.9, 158.7] | 15.8 [13.2, 18.4] | 12.9 [11.1, 14.8] | 8.1 [4.7, 11.5] | 1.0 [−1.8, 3.8] | 68.1 | 71.5 | 77.1 | 81.9 | 88.9 | 95.1 | 144 |
| 16 | 136.3 [127.7, 144.9] | 15.3 [13.3, 17.4] | 13.7 [11.6, 15.8] | 3.5 [0.3, 6.7] | −2.5 [−5.6, 0.5] | 59.0 | 70.1 | 75.7 | 81.3 | 93.1 | 92.4 | 144 |
| 17 | 143.7 [136.2, 151.2] | 14.7 [12.8, 16.7] | 14.3 [12.1, 16.5] | −0.6 [−3.7, 2.5] | −5.2 [−8.3, −2.1] | 62.6 | 69.4 | 74.8 | 79.6 | 91.8 | 90.5 | 147 |
| 18 | 150.2 [142.3, 158.0] | 14.2 [11.7, 16.7] | 13.9 [11.6, 16.1] | 5.8 [2.5, 9.0] | 0.5 [−2.7, 3.6] | 69.2 | 66.4 | 80.8 | 80.1 | 90.4 | 93.2 | 146 |
| 19 | 152.9 [144.9, 160.9] | 10.5 [9.0, 12.0] | 9.1 [7.8, 10.5] | 2.1 [−0.1, 4.4] | −4.6 [−6.5, −2.8] | 78.4 | 85.8 | 87.8 | 91.9 | 94.6 | 97.3 | 148 |
| 20 | 155.1 [146.6, 163.5] | 10.5 [9.2, 11.9] | 11.0 [9.5, 12.4] | −1.5 [−3.7, 0.6] | −4.3 [−6.5, −2.2] | 76.5 | 77.2 | 91.3 | 87.2 | 99.3 | 96.6 | 149 |
| 21 | 154.0 [145.1, 162.9] | 9.7 [8.1, 11.2] | 12.0 [10.2, 13.9] | 0.6 [−1.6, 2.8] | −5.5 [−8.0, −2.9] | 81.1 | 75.5 | 89.5 | 82.5 | 95.8 | 93.0 | 143 |
| 22 | 167.5 [158.4, 176.7] | 9.5 [8.0, 11.0] | 11.4 [9.3, 13.6] | −2.0 [−4.1, 0.2] | −4.2 [−7.0, −1.4] | 77.9 | 77.1 | 90.1 | 84.7 | 97.7 | 93.9 | 131 |
Abbreviations: ARD, absolute relative differences; BG, blood glucose; CI, confidence interval, FL, FreeStyle Libre; MARD, mean absolute relative difference; MRD, mean relative difference RD, relative differences.