Table 2. Sensitivity of GW2B Alarms during Overnight (11 p.m. to 6 a.m.) Episodes of Hypoglycemia.
Alarms based on a setting of 60 mg/dL.
| Episodesa ≤ 60 mg/dL | Episodesa ≤ 70 mg/dL | |
|---|---|---|
| Number of subjects | 9 | 20 |
| GW2Bs worn during an episode | 13 | 35 |
| Hypoglycemia Alarm | ||
| during episode | 1 (8%) | 11 (31%) |
| from 30 min before to end of episode | 1 (8%) | 12 (34%) |
| ± 30 min either side of episodeb | 3 (23%) | 12 (34%) |
| Down Alert Alarm | ||
| during episode | 6 (46%) | 25 (71%) |
| from 30 min before to end of episode | 10 (77%) | 28 (80%) |
| ± 30 min either side of episodeb | 10 (77%) | 29 (83%) |
| Combinedc | ||
| during episode | 6 (46%) | 25 (71%) |
| from 30 min before to end of episode | 10 (77%) | 28 (80%) |
| ± 30 min either side of episodeb | 10 (77%) | 29 (83%) |
a
Determined by reference glucose values (see Methods).
b
Period beginning 30 minutes prior to the start of the episode until 30 minutes after the end of the episode.
c
Hypoglycemia alarm or the down alert alarm, whichever occurs first.