| Risk factor | Hazard ratio (95% CI) | p value |
| Family history of congenital glaucoma or cataracts | 2.5 (1.4 to 4.6) | p = 0.002 |
| Microcornea | 3.7 (2.0 to 7.0) | p<0.001 |
| PHPV | 1.4 (0.7 to 2.7) | p = 0.41 |
| Primary posterior capsulotomy and anterior vitrectomy | 2.2 (0.9 to 5.5) | p = 0.17 |
| Age at cataract surgery less than 9 months | 2.9 (1.3 to 7.7) | p = 0.03 |