Table 4: Cox proportional hazards analysis of time to progression in patients with tumour size > 3 cm in T1 UBC.
| Variable | Univariate OR (95% CI) | p-value | Multivariate OR (95% CI) | p-value |
| Tumourgrade | ||||
| -grade 2 | 1.0 | 1 | ||
| -grade 3 | 2.26(0.80-6.34) | 0.12 | 1.49(0.52-4.38) | 0.46 |
| T1 sub-classification | ||||
| -T1a | 1 | 1 | ||
| -T1b | 1.47(0.67-3.20) | 0.34 | 1.59(0.72-3.53) | 0.36 |
| -T1c | 2.26(1.00-5.09) | 0.05 | 2.39(1.04-5.51) | 0.04 |
| IVIT | ||||
| -no | 1 | 1 | ||
| -yes | 0.24(0.09-0.68) | 0.007 | 0.23(0.08-0.66) | 0.006 |
| RTV | ||||
| ≤ 3 ml | 1 | 1 | ||
| > 3 ml | 0.48(0.26-0.90) | 0.021 | 0.61(0.33-1.15) | 0.13 |