Table 1.
Characteristics of study patients.
| WL arm (n = 103) | PDD arm (n = 88) | p value | |
|---|---|---|---|
| First occurrence of BC [%] | 81.6 | 69.3 | p = 0.06 |
| Staging [%] | p = 0.75 | ||
| pTaG1 | 41.7 | 42.0 | |
| pTaG2 | 28.2 | 30.7 | |
| pTaG3 | 1.0 | 2.3 | |
| pT1G1 | 0 | 1.1 | |
| pT1G2 | 12.6 | 6.8 | |
| pT1G3 | 11.7 | 11.4 | |
| pTis | 4.9 | 5.7 | |
| Focality [%] | p = 0.03 | ||
| solitary tumor | 76.7 | 62.5 | |
| multifocal tumors | 23.3 | 37.5 | |
| Risk groups [%] | p = 0.39 | ||
| low (solitary/first occurred pTaG1/2, pT1G1) | 48.5 | 35.2 | |
| intermediate (all other stages) | 34.0 | 45.5 | |
| high (pTaG3, pT1G3, pTis) | 17.5 | 19.3 |
Abbreviations: BC, bladder cancer; PDD, photodynamic diagnosis; WL, white light cystoscopy.