Table 1. GW2B Alarms during Insulin-Induced Hypoglycemia Test.

Alarms based on a setting of 60 mg/dL. Data from 66 GW2B sensors worn by 46 subjects.

	Reference Glucose Nadir ≤ 60 mg/dL	Reference Glucose Nadir > 60 mg/dL
Number of Subjects	34	12
Number of GW2B sensors	50	16
Hypoglycemia Alarma
anytime during test	12 (24%)	1 (6%)
within ± 30 min. of hypoglycemiab	12 (24%)	N/A
within ± 20 min. of hypoglycemiab	7 (14%)	N/A
within ± 10 min. of hypoglycemiab	2 (4%)	N/A
Down Alert Alarma
anytime during test	44 (88%)	9 (56%)
within ± 30 min. of hypoglycemiab	44 (88%)	N/A
within ± 20 min. of hypoglycemiab	41 (82%)	N/A
within ± 10 min. of hypoglycemiab	23 (46%)	N/A
Combineda,c
anytime during test	44 (88%)	9 (56%)
within ± 30 min. of hypoglycemiab	44 (88%)	N/A
within ± 20 min. of hypoglycemiab	41 (82%)	N/A
within ± 10 min. of hypoglycemiab	23 (46%)	N/A

^aOnly consider the first alarm during the test for each GW2B.

^bDefined as first time reference glucose is ≤ 60 mg/dL.

^cHypoglycemia alarm or the down alert alarm, whichever occurs first.