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. Author manuscript; available in PMC: 2009 Mar 31.
Published in final edited form as: Arch Ophthalmol. 2008 Dec;126(12):1707–1715. doi: 10.1001/archopht.126.12.1707

Figure 1.

Figure 1

Distribution of glycated hemoglobin (HbA1c) values by Diabetes Control and Complications Trial (DCCT) treatment group at the end of the DCCT and at each of the first 10 years of the Epidemiology of Diabetes Interventions and Complications (EDIC) study among 1211 subjects evaluated for retinopathy at year 10 of the EDIC study. The box presents the quartiles of the distribution, the vertical lines show the 95th and fifth percentiles, the horizontal line is the median, and the mean is shown as +.