Table 2 Characteristics of Ta bladder cancer in each group
No (n = 704) | Early (n = 208) | Late (n = 155) | p value | |
|---|---|---|---|---|
Previous TURB | ||||
0 | 478 (67.9) | 115 (55.3) | 95 (61.3) | 0.01 |
1—2 | 186 (26.4) | 72 (34.6) | 49 (31.6) | |
≥ 3 | 40 (5.7) | 21 (10.1) | 11 (7.1) | |
Number of mass | ||||
1 | 310 (46.0) | 65 (32.7) | 57 (37.7) | < 0.001 |
2—7 | 268 (39.8) | 81 (40.7) | 65 (43.0) | |
≥ 8 | 96 (14.2) | 53 (26.6) | 29 (19.2) | |
Mass size | ||||
< 3 cm | 536 (79.3) | 155 (76.7) | 123 (80.9) | 0.607 |
> = 3 cm | 140 (20.7) | 47 (23.3) | 29 (19.1) | |
Tumor location | ||||
Trigone | 162 (23.0) | 60 (28.8) | 41 (26.5) | 0.196 |
Posterior wall | 195 (27.7) | 87 (41.8) | 51 (32.9) | 0.001 |
Both lateral | 416 (59.1) | 144 (69.2) | 91 (58.7) | 0.025 |
Anterior | 143 (20.3) | 53 (25.5) | 37 (23.9) | 0.229 |
Dome | 144 (20.5) | 37 (17.8) | 29 (18.7) | 0.66 |
Prostatic urethra | 27 (3.8) | 10 (4.8) | 6 (3.9) | 0.817 |
Tumor shape | ||||
Papillary | 629 (93.5) | 178 (88.1) | 143 (94.1) | 0.03 |
Sessile/Flat erythematous | 44 (6.5) | 24 (11.9) | 9 (5.9) | |
Resection depth | ||||
Submucosa | 15 (2.2) | 4 (2.0) | 10 (6.5) | 0.039 |
Muscle | 676 (97.5) | 198 (97.5) | 142 (92.8) | |
Perivesical fat | 2 (0.3) | 1 (0.5) | 1 (0.7) | |
Complete TURB | ||||
No | 9 (1.3) | 10 (4.9) | 4 (2.6) | 0.009 |
Yes | 683 (98.7) | 196 (95.1) | 150 (97.4) | |
Grade | ||||
Low grade | 329 (46.7) | 99 (47.6) | 95 (61.3) | 0.004 |
High grade | 375 (53.3) | 109 (52.4) | 60 (38.7) | |
Concomitant CIS | 40 (5.7) | 16 (7.7) | 5 (3.2) | 0.188 |