Table 2.

Accuracy of CGM vs YSI by Clinic Session Day, Participants Aged 7 to 17 Years.

Placement	Clinic day	Matched pairs (n)	%15/15 (%)	%20/20 (%)	%30/30 (%)	MARD (%)
Arm (N=122)	Day 1	1741	74.6	87.7	95.7	11.7
	Day 2	1637	88.6	95.5	99.0	7.9
	Day 4	1764	93.9	98.4	99.8	6.8
	Day 7	1577	95.4	99.1	99.9	6.8
	Day 10	669	96.6	99.3	100.0	6.3
	Day 10.5	680	89.4	94.1	98.7	7.3
	Overall	8068	88.8	95.3	98.7	8.1
Abdomen (N=118)	Day 1	1758	77.3	88.6	96.6	11.1
	Day 2	1625	89.2	94.3	97.9	8.6
	Day 4	1726	94.1	97.5	98.6	7.1
	Day 7	1480	82.4	90.6	97.9	9.0
	Day 10	442	88.5	95.5	98.6	9.2
	Day 10.5	338	87.0	92.9	96.4	8.8
	Overall	7369	86.0	92.9	97.7	9.0

Abbreviations: CGM, continuous glucose monitoring; MARD, mean absolute relative difference.