Table 1 Demographics of study population stratified by diabetic retinopathy phenotype.
Demographic | Total | No DR | Any DR | Any NPDR | PDR | Any DME | CSME | Sight threatening |
|---|---|---|---|---|---|---|---|---|
n | 2935 | 1124 | 1811 | 1161 | 650 | 936 | 643 | 1278 |
Female; n (%) | 1309 (44.6) | 521 (46.5) | 788 (43.7) | 514 (44.4) | 274 (42.4) | 420 (45.5) | 289 (45.2) | 558 (43.9) |
Age in yrs; median (range) | 61 (17–95) | 65 (17–95) | 63 (18–95) | 65 (18–95) | 59 (21–90) | 65 (21–92) | 65 (26–92) | 63 (21–92) |
Diabetes duration in yrs; median (range) | 18 (5–70) | 12 (5–67) | 20 (5–70) | 18 (5–65) | 23 (5–70) | 19 (5–64) | 19 (5–59) | 20 (5–70) |
Type 1 diabetes; n (%) | 670 (22.8) | 239 (21.5) | 431 (24.1) | 208 (18.2) | 223 (34.6) | 148 (16.0) | 100 (15.7) | 297 (23.5) |
HbA1c %; median (range) | 8.07 (2–22) | 7.40 (2–22) | 8.10 (4–15) | 7.90 (5–15) | 8.50 (4–15) | 8.20 (4–15) | 8.10 (5–15) | 8.25 (4–15) |
Hypertension; n (%) | 1935 (65.9) | 695 (61.8) | 1240 (68.5) | 782 (67.4) | 458 (70.5) | 642 (68.6) | 471 (73.3) | 874 (68.4) |
