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. 2009 Dec 23;33(3):620–625. doi: 10.2337/dc09-1770

Figure 2.

Figure 2

A: The difference (mean ± SE) in C-peptide levels from 0 to 30 min (the 30–0 min C-peptide difference) according to the times before diagnosis (progressors) or the times before the last visit (nonprogressors). The 30–0 min C-peptide difference was consistently lower in the progressors than in the nonprogressors. (Mean values are shown for the times before diagnosis or the last visit.) B: The difference (mean ± SE) in C-peptide levels from 60 to 90 min (the 90–60 min C-peptide difference) according to the times before diagnosis (progressors) or the times before the last visit (nonprogressors). At every time before diagnosis, the 90–60 min C-peptide difference was positive in the progressors, whereas at every time before the last visit, it was negative in the nonprogressors. (Mean values are shown for the times before diagnosis or the last visit.)