Appendix 1. Frequency and proportion of EuroQol five dimensions (EQ-5D) by diabetic retinopathy (DR) health states.
| NoDR n (%) | Non-STDR n (%) | STDR n (%) | BB n (%) | p value* | ||
|---|---|---|---|---|---|---|
| n =157 | n =32 | n =15 | n = 2 | |||
| Mobility | No problems | 110 (70.1) | 21 (65.6) | 7 (46.7) | 0 | 0.055 |
| Some problems | 46 (29.3) | 11 (34.4) | 7 (46.7) | 2 (100) | ||
| Extreme problems | 1 (0.6) | 0 | 1 (6.7) | 0 | ||
| Self-care | No problems | 142 (90.4) | 28 (87.5) | 10 (66.7) | 0 | 0.01 |
| Some problems | 13 (8.3) | 4 (12.5) | 4 (2.7) | 0 | ||
| Extreme problems | 2 (1.3) | 0 | 1 (6.7) | 2 (100) | ||
| Usual activities | No problems | 115 (73.2) | 26 (81.3) | 7 (46.7) | 1 (50.0) | 0.01 |
| Some problems | 39 (24.8) | 5 (15.6) | 6 (40.0) | 0 | ||
| Extreme problems | 3 (1.9) | 1 (3.1) | 2 (13.3) | 1 (50.0) | ||
| Pain/discomfort | No problems | 61 (38.8) | 15 (46.9) | 6 (40.0) | 1 (50.0) | 0.97 |
| Some problems | 91 (58.0) | 16 (50.0) | 8 (53.3) | 1 (50.0) | ||
| Extreme problems | 5 (3.2) | 1 (3.1) | 1 (6.7) | 0 | ||
| Anxiety/depression | No problems | 80 (51.0) | 19 (59.4) | 8 (53.3) | 0 | 0.26 |
| Some problems | 67 (42.7) | 10 (31.3) | 6 (40.0) | 1 (50.0) | ||
| Extreme problems | 10 (6.4) | 3 (9.4) | 1 (6.7) | 1 (50.0) |
NoDR: absence of diabetic retinopathy; Non-STDR: non-sight-threatening diabetic retinopathy; STDR: sight-threatening diabetic retinopathy; BB: bilateral blindness.
* Chi-square test.