Table 4 Prioritization scoring systems
From: Explicit criteria for prioritization of cataract surgery
Weights for each category | |||
Variable | Category | Optimal scaling | General linear model |
Visual acuity | = 0.1 | 21 | 25 |
0.2–0.4 | 15 | 17 | |
≥ 0.5 | 0 | 0 | |
Expected visual acuity | = 0.1 | 0 | 0 |
0.2–0.4 | 13 | 18 | |
≥ 0.5 | 21 | 29 | |
Visual function | Unimpaired | 0 | 0 |
Glare | 4 | 5 | |
Recreational difficulties | 10 | 11 | |
Daily living difficulties | 20 | 20 | |
Contralateral visual acuity | =.1 | 10 | 7 |
0.2–0.4 | 6 | 5 | |
≥ 0.5 | 0 | 0 | |
Ocular comorbidities | Simple cataract | 8 | 6 |
Diabetic retinopathy | 4 | 3 | |
Other pathologies | 0 | 0 | |
Social dependence | Yes | 5 | 3 |
No | 0 | 0 | |
Laterality | Unilateral | 0 | 0 |
Bilateral | 2 | 1 | |
Appropriateness | Appropriate | 13 | 9 |
Uncertain | 0 | 0 | |