Variables included in analyses for risk indicators of poor clinical outcome
| Variables and their categories | |
|---|---|
| Age (years) | |
| 50 to 59 | referent group |
| 60 to 69 | |
| 70 to 79 | |
| 80 to 89 | |
| 90 and over | |
| Sex | |
| male | referent group |
| female | |
| Ocular comorbidity | |
| absent | referent group |
| present | |
| Diabetes mellitus | |
| absent | referent group |
| present | |
| Stroke | |
| absent | referent group |
| present | |
| Surgical procedure | |
| Phacoemulsification | referent group |
| Extracapsular extraction | |
| Grade of surgeon | |
| Consultant | referent group |
| Specialist registrar | |
| Senior house officer | |
| Associate specialist | |
| Other | |
| “Capsule rupture and vitreous loss during the operation” | |
| absent | referent group |
| present | |