Percentile HbA1c DR/N Incidence DR (%)
0-25 4.9-6.8 3/33 9.1
25-50 6.9-7.5 10/35 28.6
50-75 7.6-8.3 9/35 29.7
75-100 8.4-11.4 9/30 30
Table 2: Incidence of DR, shows quartile glycosylated hemoglobin.