Table 3.
Device reliability
| Per patient | Per sensor | |
|---|---|---|
| Total number of sensors used | - | 105 |
| Number of sensors used, median (IQR) | 1 (1-3) | - |
| Total connection time in hours, median (IQR) | 46.2 (26.8-134.2) | 45.8 (21.1-69.1) |
| Start-up time in minutes, median (IQR) | Median 49 (44-58) | 49 (43-57.9) |
| Initialization time in minutes, median (IQR) | Median 34 (34-34.5) | 34 (34,35) |
| Real-time data in hours | 42.3 (23.1-130.3) | 41.4 (20.6-64.0) |
| Percentage of real-time data, median (IQR) | 94.1 (88.9-97.1) | 94.6 (88.7-97.9) |
| Time of skips in data acquisition in hours, median (IQR) | 4.3 (1.2-9.1) | 2.6 (0.6-5.4) |
| Time of skips in data acquisition in hours caused by poor sensor signal, median (IQR) | 0 (0-1.0) | 0 (0-0.2) |
| Time of skips in data acquisition in minutes caused by other reasons, median (IQR) | 3.3 (0.9-8.4) | 2.0 (0.4-3.7) |
| Percentage of time of skips in data acquisition, median (IQR) | 5.9 (2.9-11.1) | 5.4 (2.1-11.3) |
| Percentage of time of skips in data acquisition in caused by poor sensor signal, median (IQR) | 0 (0-0.7) | 0 (0-0.3) |
| Percentage of time of skips in data acquisition caused by other reasons, median (IQR) | 4.2 (2.3-8.0) | 3.8 (1.5-8.0) |
| Number of calibrations, median (IQR) | 14 (9-34) | 12 (7-16) |
| Number of mandated calibrations, median (IQR) | 8 (4-20) | 6 (4-8) |
IQR, interquartile range.