Table 2 Reported prevalences [%] of sociodemographic, quantitatively and qualitatively documented external factors with putative relevance for two outcome indicators of cataract surgery (refractive accuracy and visual rehabilitation), stratified and cumulated for three outpatient centres
Centre | 1 | 2 | 3 | 1 – 3 |
|---|---|---|---|---|
[%] | ||||
Sociodemographic external factors | ||||
Age ≥ 80 years | 28.1 | 18.7 | 22.4 | 23.6 |
Female gender | 59.2 | 56.8 | 60.3 | 59.4 |
Quantitatively documented external factors | ||||
Baseline visual acuity cc ≤ 0.1 | 14.4 | 9.2 | 7.0 | 9.8 |
Severe nearsightedness (myopia, axial eye length ≥ 25 mm) | 7.5 | 11.0 | 8.7 | 8.7 |
Severe farsightedness (hyperopia, axial eye length ≤ 22 mm) | 8.6 | 12.6 | 9.5 | 9.7 |
Qualitatively documented external factors | ||||
Presence of at least one pre-existing condition (potentially) reducing visual acuity | 40.8 | 27.6 | 32.7 | 35.4 |
Presence of at least one known previous ocular surgery | 3.8 | 3.7 | 1.8 | 2.9 |
Presence of at least one surgically relevant ocular risk factor | 28.1 | 11.0 | 26.2 | 24.9 |