Adjusted OR for risk factors associated with posterior capsule rupture and vitreous loss during cataract surgery, based on data from the National Cataract Database2
| Risk factor for posterior capsule rupture | Adjusted OR | |
| Age (years) | <60 | 1.0 |
| 60–69 | 1.14 | |
| 70–79 | 1.42 | |
| 80–89 | 1.58 | |
| 90+ | 2.37 | |
| Gender | Female | 1.00 |
| Male | 1.28 | |
| Glaucoma | 1.30 | |
| Diabetic retinopathy | 1.63 | |
| Brunescent/white cataract | 2.99 | |
| No fundal view/vitreous opacities | 2.46 | |
| Pseudoexfoliation/phacodonesis | 2.92 | |
| Pupil size | Large | 1 |
| Medium | 1.14 | |
| Small | 1.45 | |
| Axial length (mm) | <26.0 | 1 |
| ≥26.0 | 1.47 | |
| Doxazosin (alpha-blocker) | 1.51 | |
| Not able to lie flat | 1.27 | |
| Surgeon grade | Consultant | 1.0 |
| Associate specialist | 0.87 | |
| Staff grade | 0.36 | |
| Fellow | 1.65 | |
| Specialist Trainee Year 3-7 (ST3–7) | 1.60 | |
| Specialist Trainee Year 1-2 (ST1–2) | 3.73 | |
Specialty trainee refers to speciality registrars and residents. The number of years in ophthalmology training is specified.