TABLE 1.
Clinicopathological characteristics of photodynamic diagnosis (PDD) and white light (WL) groups after propensity score matching.
| Parameter | PDD group | WL group | p Value |
|---|---|---|---|
| n (%) | n (%) | ||
| All patients | 146 | 146 | |
| Age a , years; median [interquartile range] | 72 [66–78] | 73 [65–79] | 0.73 |
| Sex a | |||
| Male | 125 (85.6) | 129 (88.4) | 0.60 |
| Female | 21 (14.4) | 17 (11.6) | |
| Previous non‐muscle invasive bladder cancer a | |||
| Primary | 130 (89.0) | 128 (87.7) | 0.86 |
| Recurrent | 16 (11.0) | 18 (12.3) | |
| Tumor size a | |||
| <3 cm | 107 (73.3) | 114 (78.1) | 0.41 |
| ≥3 cm | 39 (26.7) | 32 (21.9) | |
| Number of tumors a | |||
| Single | 50 (34.2) | 51 (34.9) | 1.00 |
| Multiple | 96 (65.8) | 95 (65.1) | |
| History of upper urinary tract urothelial carcinoma | |||
| No | 137 (93.8) | 139 (95.2) | 0.80 |
| Yes | 9 (6.2) | 7 (4.8) | |
| Concurrent cancer in situ a | |||
| No | 116 (79.5) | 116 (79.5) | 1.00 |
| Yes | 30 (20.5) | 30 (20.5) | |
| Pathological stage a | |||
| pTa | 31 (21.2) | 29 (19.9) | 0.91 |
| pTis | 1 (0.7) | 2 (1.4) | |
| pT1 | 114 (78.1) | 115 (78.8) | |
| Tumor grade a | |||
| Low | 3 (2.1) | 3 (2.1) | 1.00 |
| High | 143 (97.9) | 143 (97.9) | |
| Residual tumor at second transurethral resection | |||
| Absence | 105 (71.9) | 85 (58.2) | 0.019* |
| Presence | 41 (28.1) | 61 (41.8) | |
| Postoperative intravesical chemotherapy | |||
| No | 125 (85.6) | 116 (79.5) | 0.22 |
| Yes | 21 (14.4) | 30 (20.5) | |
| Postoperative intravesical Bacillus Calmette‐Guérin therapy a | |||
| No | 81 (55.5) | 78 (53.4) | 0.81 |
| Yes | 65 (44.5) | 68 (46.6) | |
Note: Each factor was compared between the PDD and WL group using Fisher's exact test.
a
Background factors used for propensity score matching.
*
Statistically significant.