Table 1.
Background characteristics of study group
| Characteristic | Baseline (week 0) N = 235 |
|---|---|
| Age (years) |
|
| Mean ± SD |
62 ± 10 |
| Median (IQR) |
62 (56 – 69) |
| Range |
20 – 83 |
| Female, n (%) |
102 (43.4) |
| Ethnicity, n (%) |
|
| Caucasian/White |
192 (81.7) |
| Asian |
25 (10.6) |
| Other (Black, Hispanic/Latino, unspecified) |
18 (7.6) |
| ECOG Performance Status |
|
| Mean ± SD |
0.5 ± 0.5 |
| Median (IQR) |
0 (0 – 1) |
| Range |
0 – 2 |
| Type II diabetes, n (%) |
218 (92.8) |
| Duration of vision problems, n (%) |
|
| None |
1 (0.4) |
| <1 year |
93 (39.6) |
| 1-5 years |
122 (51.9) |
| 6-10 years |
15 (6.4) |
| >11 years |
4 (1.7) |
| ETDRS visual acuity scale: study eye |
|
| 85 letters or more (20/16 or more) |
0 (0.0) |
| 85-75 letters (20/20 - 20/32) |
0 (0.0) |
| 74-70 letters (20/40) |
3 (1.3) |
| 69-55 letters (20/50 - 20/80) |
160 (68.1) |
| 54-40 letters (20/100 - 20/160) |
61 (26.0) |
| 39-35 letters (20/200) |
11 (4.7) |
| 34 letters or less (20/250 or less) |
0 (0.0) |
| ETDRS visual acuity scale: fellow eye |
|
| 85 letters or more (20/16 or more) |
11 (4.7) |
| 85-75 letters (20/20 - 20/32) |
75 (32.2) |
| 74-70 letters (20/40) |
30 (12.9) |
| 69-55 letters (20/50 - 20/80) |
60 (25.8) |
| 54-40 letters (20/100 - 20/160) |
31 (13.3) |
| 39-35 letters (20/200) |
9 (3.9) |
| 34 letters or less (20/250 or less) |
14 (6.0) |
| Counting fingers-hand motion | 3 (1.3) |
* ETDRS = Early Treatment Diabetic Retinopathy Study.
Note: Percentages are based on non-missing categories.