Table 2.
Demographic and clinical characteristics of patients with diabetic retinopathy in Poland
| Characteristic | Baseline subjects seen in year 2013 | All subjects seen in year 2017 | Subjects lost to follow-up |
|---|---|---|---|
| Age (mean; SD) | 65.61 ± 11.62 years | 67.83 ± 11.59 years | 73.82 ± 10.11 years |
| 0–18 (n: %) | 408 (0.23%) | 708 (0.23%) | 0 (0.00%) |
| 19–39 (n: %) | 4959 (2.82%) | 7387 (2.38%) | 141 (0.05%) |
| 40–49 (n: %) | 7604 (4.32%) | 11,642 (3.75%) | 484 (0.16%) |
| 50–59 (n: %) | 31,216 (17.72%) | 37,526 (12.07%) | 2406 (0.77%) |
| 60–69 (n: %) | 65,446 (37.15%) | 112,514 (36.20%) | 9535 (3.07%) |
| 70 + (n: %) | 66,515 (37.76%) | 141,038 (45.38%) | 24,570 (7.91%) |
| Women (n: %) | 99,991 (56.77%) | 174,384 (56.11%) | 18,754 (6.03%) |
| Men (n: %) | 76,157 (43.23%) | 136,431 (43.89%) | 18,382 (5.91%) |
| Urban residence | 127,066 (72.14%) | 221,144 (71.15%) | 27,222 (8.76%) |
| Rural residence | 49,082 (27.86%) | 89,671 (28.85%) | 9914 (3.19%) |
| Diabetes mellitus t. 1 (n: %) | 26,908 (15.28%) | 40,231 (12.94%) | 5739 (1.85%) |
| Diabetes mellitus t. 2 (n: %) | 149,240 (84.72%) | 270,584 (87.06%) | 31,397 (10.10%) |
| Systemic hypertension (n: %) | 160,900 (91.34%) | 280,162 (90.14%) | 33,622 (10.82%) |
| Hypercholesterolemia (n: %) | 9805 (5.57%) | 17,527 (5.64%) | 1248 (0.40%) |