Table 1.
Summary Statistics* of Abbott Libre Pro and Dexcom G4 Platinum Continuous Glucose Monitoring (CGM) Metrics Assessed Simultaneously During up to Two Weeks, Baseline, N=172
| Abbott Libre Pro | Dexcom G4 Platinum | |
|---|---|---|
| Days of CGM wear time, mean (SD) | 13.0 (2.9) | 12.4 (3.0) |
| Mean glucose, mg/dL, mean (SD) | 150.8 (38.8) | 153.2 (35.1) |
| Median glucose, mg/dL, mean (SD) | 145.0 (39.0) | 147.9 (35.4) |
| SD, mg/dL, median (p25, p75) | 38.5 (31.0, 47.6) | 37.3 (29.3, 44.8) |
| CV, %, mean (SD) | 26.9 (6.5) | 25.2 (5.7) |
| Percent of time in range (70-180 mg/dL), median (p25, p75) | 79.2 (65.6, 90.3) | 81.5 (67.5, 90.5) |
| Percent of time of time glucose >180 mg/dL, median (p25, p75) | 17.4 (7.2, 35.1) | 17.7 (8.3, 32.7) |
| Percent of time of time glucose >250 mg/dL, median (p25, p75) | 1.5 (0.1, 5.0) | 0.9 (0.0, 4.7) |
| Percent of time of time glucose <70 mg/dL, median (p25, p75) | 0.4 (0.0, 2.0) | 0.2 (0.0, 0.9) |
| Percent of time of time glucose <54 mg/dL, median (p25, p75) | 0.0 (0.0, 0.2) | 0.0 (0.0, 0.1) |
| Abbott Libre Pro, Hypoglycemic Events** |
Dexcom G4 Platinum Hypoglycemic Events† |
|
| Rates of hypoglycemic events (per week), mean (SD) | ||
| Level 1: glucose < 70 mg/dL | 2.1 (3.4) | 1.2 (2.2) |
| Level 2: glucose < 54 mg/dL | 0.6 (1.4) | 0.3 (1.1) |
*
Mean number of total glucose readings: 1251 for Abbott, 3574 for Dexcom
**
Abbott Libre Pro: Hypoglycemia Level 1: glucose <70 mg/dL for at least 15 minutes (at least two consecutive readings). Hypoglycemia Level 2: glucose <54 mg/dL for at least 15 minutes (at least two consecutive readings).
†
Dexcom G4 Platinum: Hypoglycemia Level 1: glucose <70 mg/dL for at least 15 minutes (at least three consecutive readings). Hypoglycemia Level 2: glucose <54 mg/dL for at least 15 minutes (at least three consecutive readings).