Table 2.

Glycemic outcomes

Variable	Control group	Continuous monitoring group	Ratio of means	95% CI for ratio of means	P
N	54	62
Hours per day in hypoglycemia <63 mg/dL	0.97 ± 1.55	0.48 ± 0.57	0.49	0.26–0.76	0.03
Median (interquartile range)	0.54 (0.23–1.31)	0.26 (0.14–0.54)
Number of hypoglycemic excursions per day <63 mg/dL	0.76 ± 0.94	0.53 ± 0.60	0.70	0.43–1.03	0.08
Integrated glucose excursion index (area under the curve) <63 mg/dL	11.1 ± 14.2	5.4 ± 7.6	0.49	0.29–0.79	0.02
Hours per day in hypoglycemia <55 mg/dL	0.41 ± 0.48	0.22 ± 0.34	0.55	0.34–0.91	0.05
Number of hypoglycemic excursions per day <55 mg/dL	0.37 ± 0.40	0.28 ± 0.54	0.76	0.47–1.43	0.07
Hours per day in hypoglycemia <70 mg/dL	1.60 ± 2.02	0.91 ± 0.81	0.57	0.36–0.80	0.01
Low blood glucose index	1.74 ± 1.62	1.18 ± 0.82	0.68	0.49–0.89	0.02
Hours per day in hyperglycemia
>180 mg/dL	6.4 ± 3.4	5.5 ± 3.2	0.86	0.71–1.06	0.08
>250 mg/dL	1.66 ± 1.53	1.14 ± 1.46	0.69	0.48–1.07	0.06
High blood glucose index	6.0 ± 3.2	5.1 ± 3.1	0.85	0.70–1.05	0.05
Hours per day in normoglycemia
90–180 mg/dL	13.5 ± 3.1	15.1 ± 2.7	1.12	1.04–1.21	0.003
70–180 mg/dL	16.0 ± 3.4	17.6 ± 3.2	1.10	1.02–1.18	0.009

Data are means ± SD. An excursion is defined as all consecutive recordings outside the boundary and covering at least 10 min. The duration of an excursion is defined as the elapsed time from first excursion to the first reading indicating return inside the excursion boundary.