Table 2.

Changes in hemoglobin A_1c, weight, and blood glucose.

Measure		Mean (SD)		SE		P value
Hemoglobin A1c(%)
	Enrollmenta		5.9 (0.23)		0.06		N/Ab
	Sensor 1c		5.2 (0.38)		0.10		N/A
	Sensor 2c		5.2 (0.37)		0.10		N/A
	Δd: Sensor 2—Enrollment		–0.71 (0.46)		0.12		<.001
	Δ: Sensor 2—Sensor 1		–0.01 (0.31)		0.08		.87
Weight (lbs)
	Visit 1 (starting weight)		232.7 (45.1)		11.7		N/A
	Visit 2		233.2 (46.2)		11.9		N/A
	Visit 3		231.8 (45.9)		11.8		N/A
	Δ: Visit 3—Visit 1		–0.89 (2.94)		0.76		.26
	Δ: Visit 3—Visit 2		–1.41 (2.18)		0.56		.02
Average daily glucose (mg/dL)
	Sensor 1		103.8 (10.6)		2.8		N/A
	Sensor 2		102.9 (10.9)		2.9		N/A
	Δ: Sensor 2—Sensor 1		–0.93 (8)		2.1		.67
Time spent in hyperglycemiae(%)
	Sensor 1		7.1 (7.9)		2.1		N/A
	Sensor 2		4.5 (5.6)		1.5		N/A
	Δ: Sensor 2—Sensor 1		–2.6 (6.5)		1.7		.16

^aMeasured hemoglobin A_1c (HbA_1c) by clinical laboratory.

^bN/A: not applicable.

^cHbA_1c estimated from continuous glucose monitor data.

^dDelta or difference.

^eGlucose >140 mg/dL.