The univariate statistics, using the proportional hazards model, for the variables predicting rubeosis for the merged groups
| Variable | Exp(β) | 95% Confidence interval for Exp(β) | Significance | |
|---|---|---|---|---|
| Age | 0.00 | 1.0 | 0.99–1.00 | 0.26 |
| Anterior chamber invasion | 0.08 | 1.09 | 0.34–3.53 | 0.89 |
| Iritis | 0.12 | 1.13 | 0.49–2.61 | 0.78 |
| Largest tumour diameter | 0.19 | 1.21 | 1.12–1.30 | <0.00005 |
| Lipofuscin | 0.62 | 1.86 | 1.19–2.89 | 0.006 |
| Location 1 | 0.07 | 1.07 | 1.02–1.13 | 0.007 |
| Location 2 | 0.39 | 1.47 | 1.14–1.90 | 0.003 |
| Pigment | 0.38 | 1.47 | 0.70–3.06 | 0.31 |
| Retinal detachment | 0.70 | 2.00 | 1.56–2.57 | <0.00005 |
| Sex | −0.44 | 0.64 | 0.33–1.25 | 0.20 |
| Side | −0.25 | 0.78 | 0.42–1.42 | 0.41 |
| Visual acuity | 0.09 | 1.09 | 1.0–1.20 | 0.06 |
| Vitreous haemorrhage | −0.80 | 0.45 | 0.14–1.45 | 0.18 |