Table 2.
Overall survival (OS) and cancer specific survival (CSS) of micropapillary bladder cancer (MPBC) vs conventional urothelial carcinoma (UC) as stratified by stage. (DNR denotes “did not reach”).
| OS (months) | CSS (months) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Stage | MPBC | UC | Log rank | MPBC | UC | Log rank | ||||
| mean | median | mean | median | p value | mean | median | mean | median | p value | |
| Nonmuscle invasive (Ta/T1/Tis) | 45.14 | DNR | 52.69 | DNR | 0.0014 | 46.91 | DNR | 57.02 | DNR | < 0.0001 |
| Muscle invasive (T2) | 26.8 | 37 | 33.27 | 41 | 0.9675 | 14.1 | DNR | 36.4 | DNR | 0.1019 |
| Locally advanced (T3/T4) | 30.96 | 23 | 30.96 | 29 | 0.2966 | 42.38 | 17 | 30.51 | DNR | 0.5371 |
| Nodal disease (N+) | 29.37 | 28 | 23.88 | 19 | 0.1565 | 29.37 | 28 | 25.24 | 22 | 0.2564 |
| Metastatic (M1) | 15.28 | 15 | 9.97 | 7 | 0.5216 | 18.06 | 25 | 10.88 | 7 | 0.2074 |