Multivariate analysis of factors associated with blindness at expected death
| ORs | 95% CI | P value | |
| Age group | 3.72 | 1.58 to 8.77 | 0.003 |
| Bilaterality | 9.83 | 2.77 to 34.82 | <0.001 |
| Baseline MD | 1.10 | 1.14 to 1.34 | 0.022 |
| Rate of progression | 59.72 | 19.29 to 184.86 | <0.001 |
MD, mean defect or deviation.