| Risk factor | Hazard ratio (95% CI) | p value |
| Female sex | 1.6 (0.9 to 2.8) | p = 0.13 |
| Family history of congenital glaucoma or cataracts | 2.2 (1.2 to 3.9) | p = 0.01 |
| Microcornea | 5.4 (3.0 to 9.7) | p<0.001 |
| PHPV | 3.4 (1.8 to 6.3) | p<0.001 |
| Systemic anomaly | 1.3 (0.6 to 2.6) | p = 0.49 |
| Primary posterior capsulotomy and anterior vitrectomy | 4.5 (1.9 to 10.5) | p<0.001 |
| Age at cataract surgery less than 9 months | 6.0 (2.4 to 15.2) | p<0.001 |
| Secondary membrane surgery | 1.2 (0.7 to 2.2) | p = 0.54 |