Table 3.

Within- and between-subject CVs (%) for raw IGF1 and IGF2 measurements

	1AAb+ at enrollment		2–5 AAb+ at enrollment		Developed T1D during study
	Intrasubject	Intersubject	Intrasubject	Intersubject	Intrasubject	Intersubject
IGF1	16.3 ± 4.4	38.1 ± 4.7	18.6 ± 7.1	45.5 ± 4.3	13.7 ± 4.3	22.6 ± 5.3
IGF2	11.0 ± 3.9	24.6 ± 3.6	13.4 ± 4.9	23.4 ± 5.0	14.3 ± 5.6	14.6 ± 4.3

Measurements in subjects 1AAb⁺ at enrollment, with 2–5 AAb⁺ at enrollment, or who developed type 1 diabetes during the study. CVs were calculated from 11–13 time points per subject.