Table 1.

Mean cystatin C by visit in all subjects with three completed values

Visit	T1D (n = 449)	non-DM (n = 535)	All (n = 984)
1	0.81 ± 0.25 [0.51 to 3.41]	0.78 ± 0.10 [0.42 to 1.14]	0.80 ± 0.18 [0.42 to 3.41]
2	0.78 ± 0.28 [0.46 to 3.77]	0.73 ± 0.10 [0.39 to 1.38]	0.75 ± 0.21 [0.39 to 3.77]
3	0.72 ± 0.30 [0.39 to 3.79]	0.66 ± 0.11 [0.41 to 1.41]	0.69 ± 0.22 [0.39 to 3.79]

Mean ± SD [min to max]. T1D, type 1 diabetes; non-DM, nondiabetics.