Table 1 Pathological features and 4N1K expression
parameters | n | 4N1K expression | p value | |
|---|---|---|---|---|
Negative (%) | Positive (%) | |||
pT stage | Â | Â | Â | Â |
 Ta | 7 | 2 (28.6) | 5 (71.4) | 0.003 |
 T1 | 36 | 13 (36.1) | 23 (63.9) |  |
 T2 | 17 | 7 (41.2) | 10 (58.8) |  |
 T3 | 27 | 21 (77.8) | 6 (22.2) |  |
 T4 | 10 | 8 (80.0) | 2 (20.0) |  |
 Low (Ta + 1) | 43 | 15 (34.9) | 28 (65.1) | 0.002 |
 High (T2-4) | 54 | 36 (66.7) | 18 (33.3) |  |
Grade | Â | Â | Â | Â |
 Low grade | 55 | 21 (38.2) | 33 (61.8) | 0.001 |
 High grade | 42 | 30 (71.4) | 12 (28.6) |  |