Table 2: Logistic regression analysis of RTV (low vs. high) as the dependent variable in relation to other variables in patients with tumour size > 3 cm in T1 UBC.
| Variable | Univariate OR (95% CI) | p-value | Multivariate OR (95% CI) | p-value |
| WHO99 | ||||
| -grade 2 | 1.0 | 1.0 | ||
| -grade 3 | 0.58(0.17-1.95) | 0.38 | 0.6090.28-1.27) | 0.18 |
| T1 sub-classification | ||||
| -T1a | 1.0 | 1.0 | ||
| -T1b | 0.32(0.11-0.90) | 0.03 | 0.57(0.30-1.09) | 0.09 |
| -T1c | 0.53(0.16-1.73) | 0.29 | 1.22(0.59-2.53) | 0.58 |
| Multiplicity | ||||
| -yes | 1.0 | 1.0 | ||
| -no | 0.61(0.26-1.43) | 0.26 | 0.81(0.29-1.49) | 0.51 |
| IVIT | ||||
| -no | 1.0 | 1.0 | ||
| -yes | 1.88(0.67-5.24) | 0.23 | 1.06(0.83-3.08) | 0.16 |