Table 3.
HCL system characteristics during the Auto Mode period
| First 2 weeks of Auto Mode | Third month in Auto Mode | p | |
|---|---|---|---|
| Sensor wear, % | 89.8 ± 7.5 (92, 90–94) | 92.4 ± 6.2 (94, 86–96) | 0.038 |
| Auto Mode usage, % | 84.8 ± 11.9 (87, 77–97) | 89.8 ± 7.4 (90, 84.5–96.5) | 0.787 |
| Calibration, n per day | 4.3 ± 1.2 (3.8, 3.2–4.9) | 3.4 ± 0.9 (3.4, 2.7–4.3) | 0.010 |
| Set change, n of days | 2.5 ± 0.7 (3.0, 2–3) | 2.8 ± 0.6 (3.0, 2.4–3.1) | 0.269 |
| Res change, n of days | 2.9 ± 1.3 (2.2–2.3) | 2.8 ± 0.6 (2.1–3.5) | 0.315 |
| Meals, n per day | 4.4 ± 1.2 (4.4, 3.8–5.2) | 4.6 ± 1.2 (4.4, 3.8–5.0) | 0.331 |
| Carbs, gram per day | 213 ± 50 (205, 173–254) | 219 ± 48 (221, 190–242) | 0.704 |
| ICR, gram | 16.2 ± 5.7 (15, 12–20) | 12.8 ± 4.8 (12, 10–16) | 0.002 |
| Active insulin time, h | 3.6 ± 0.4 (3.3, 3.3–4.0) | 3.5 ± 0.4 (3.5, 3–4) | 0.155 |
| Auto Mode exits per patient per week | |||
| Total numbera | 8.4 ± 1.8 | 4.2 ± 0.9 | 0.016 |
| No calibrationa | 3.3 ± 2.6 | 1.3 ± 1.5 | 0.004 |
| High SGa | 2.8 ± 1.7 | 1.2 ± 1.8 | 0.024 |
| Insulin max deliverya | 1.1 ± 0.9 | 0.5 ± 0.3 | 0.005 |
Values are shown as mean ± SD, median and interquartile ranges
n number, Res reservoir, Carbs carbohydrates, ICR insulin-to-carb ratio, SG sensor glucose, Max maximum. Only the top three Auto Mode exits reasons are shown
aValues shown as mean and SD