Table 5.
Score∗ | Estimated chance having good vision | All included patients | |
---|---|---|---|
Snellen visual acuity < 20/200 after vitrectomy (no.) | Snellen visual acuity ≥ 20/200 after vitrectomy (no.) | ||
0 | 0.448 | ||
1 | 0.459 | ||
2 | 0.470 | 1 | 0 |
3 | 0.480 | ||
4 | 0.491 | 1 | 0 |
5 | 0.502 | 1 | 0 |
6 | 0.512 | 2 | 2 |
7 | 0.523 | 1 | 1 |
8 | 0.534 | 3 | 4 |
9 | 0.545 | 1 | 2 |
10 | 0.555 | 2 | 1 |
11 | 0.566 | ||
12 | 0.576 | 2 | 1 |
13 | 0.587 | 0 | 1 |
14 | 0.597 | 1 | 2 |
15 | 0.608 | 2 | 4 |
16 | 0.618 | 6 | 17 |
17 | 0.628 | 1 | 37 |
18 | 0.638 | 0 | 29 |
19 | 0.648 | 0 | 19 |
20 | 0.657 | 0 | 9 |
21 | 0.667 | 0 | 5 |
22 | 0.677 | 0 | 6 |
23 | 0.686 | 0 | 3 |
24 | 0.695 | 0 | 2 |
25 | 0.704 | ||
Total | 24 | 145 |
∗Estimated risk score after 25 was added to prevent a negative integer as the risk score.