Comparison of the age adjusted rates of cataract surgery between the Blue Mountains Eye Study (BMES), Beaver Dam Eye Study (BDES) and various baseline ocular characteristics
| Characteristic | BMEs incidence | p Value* | BDEs incidence | p Value* |
|---|---|---|---|---|
| *p value for trend. | ||||
| ARM | ||||
| none | 4.6 | 0.4 | 3.5 | 0.08 |
| early | 3.4 | 6.5 | ||
| late | 0 | 1.1 | ||
| Refractive error | ||||
| myopia | 13.1 | 0.001 | 7.8 | <0.0001 |
| emmetropia | 4.5 | 4.1 | ||
| hyperopia | 3.3 | 3.1 | ||
| IOP (mm Hg) | ||||
| <14 | 3.6 | 0.3 | 3.2 | <0.01 |
| 14–15 | 5.3 | 3.7 | ||
| 16–17 | 3.7 | 4.9 | ||
| >18 | 5.3 | 5.5 | ||
| Corrected visual acuity | ||||
| not impaired | 4.0 | <0.001 | 2.7 | <0.0001 |
| impaired ≤6/12 | 18.6 | 20.1 | ||