Table 3

Prevalence of diabetic retinopathy (DR) in patients with diabetes mellitus diagnosed after the age of 70. Comparison of data from this study and previously published studies

This study WESDR3Nathan5 Segato16
Age range studied (years)> 70>7055–75>70
No of patients in that age range 150 151185Data not available
Age of patients at diagnosis > 70 > 70VariableVariable
Duration of diabetes mellitus (years) (n (%)):
0–4 89  (9)76 (32)(18)
0–5110  (12) 81 (12)
5–1055 (24)(31)
6–1034 (24)47 (12)
5–1459 (20)66 (35)
11–15 4 (0)33 (60)
11–206 (0) (40)
> 152 (0) 9 (55.6)24 (48)
> 20(54)
Overall prevalence of DR (%)14 39 25 24.6