Table 4. Pathologic outcomes and sites of metastases.
| Category | LRC (n=35) | ORC (n=35) | P value |
|---|---|---|---|
| Positive margins, No. (%) |
0 |
1 (2.9%) |
1.0a |
|
Lymph node yield, No. | |||
| Mean±s.d. | 14.1±6.3 | 15.2±5.9 | 0.467b |
| Median (range) |
12 (4–32) |
14 (5–25) |
0.261c |
|
LN status, No. (%) | |||
| Positive | 8 (22.9%) | 8 (22.9%) | 1.0a |
| Negative |
27 (77.1%) |
27 (77.1%) |
— |
|
Histologic type, No. | |||
| TCC | 29 | 32 | 0.273a |
| TCC with squamous differentiation | 2 | — | — |
| TCC with glandular differentiation | 1 | — | — |
| TCC coexisting prostate cancer | 2 | 2 | |
| Squamous cell carcinoma | — | 1 | — |
| Carcinosarcoma |
1 |
— |
— |
|
pT stage, No. | |||
| pT1 | 8 | 7 | 0.935a |
| pT2 | 21 | 20 | — |
| pT2a | 14 | 12 | — |
| pT2b | 7 | 8 | — |
| pT3 | 5 | 7 | — |
| pT3a | 4 | 2 | — |
| pT3b | 1 | 5 | — |
| pT4a |
1 |
1 |
— |
|
Grade, No. | |||
| Grade 1 | 4 | 3 | 0.511a |
| Grade 2 | 15 | 16 | — |
| Grade 3 | 15 | 12 | — |
| Unclassified |
1 |
4 |
— |
| Concomitant CIS, No. |
2 |
3 |
1.0a |
| Sites of recurrence |
7 (20%) |
8 (22.9%) |
0.937a |
| Local recurrence | 3 (8.6%) | 3 (8.6%) | — |
| Distant metastases | 4 (11.4%) | 5 (14.3%) | — |
| Lung | 2 | 3 | — |
| Brain | — | 1 | — |
| Bone | 2 | 1 | — |
Abbreviations: CIS=carcinoma in situ. LRC=laparoscopic radical cystectomy; ORC=open radical cystectomy; TCC=transitional cell carcinoma.
a
χ2 test or Fisher's exact test.
b
Student's t-test.
c
Mann-Whitney U-test.