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 | WESDR3 | Nathan5 | Segato16 | ||
|---|---|---|---|---|---|
| Age range studied (years) | > 70 | >70 | 55–75 | >70 | |
| No of patients in that age range | 150 | 151 | 185 | Data not available | |
| Age of patients at diagnosis | > 70 | > 70 | Variable | Variable | |
| Duration of diabetes mellitus (years) (n (%)): | |||||
| 0–4 | 89 (9) | 76 (32) | (18) | ||
| 0–5 | 110 (12) | 81 (12) | |||
| 5–10 | 55 (24) | (31) | |||
| 6–10 | 34 (24) | 47 (12) | |||
| 5–14 | 59 (20) | 66 (35) | |||
| 11–15 | 4 (0) | 33 (60) | |||
| 11–20 | 6 (0) | (40) | |||
| > 15 | 2 (0) | 9 (55.6) | 24 (48) | ||
| > 20 | (54) | ||||
| Overall prevalence of DR (%) | 14 | 39 | 25 | 24.6 | |
