| RBBP8 promoter methylationb | |||
---|---|---|---|---|
 | n a | Low | High | p valuec |
Parameter: | ||||
 Gender | ||||
  Male | 42 | 31 | 11 | 0.687 |
  Female | 10 | 8 | 2 | |
 Histological tumor grade | ||||
  Low grade | 19 | 17 | 2 | 0.046 |
  High grade | 30 | 19 | 11 | |
 Tumor stage | ||||
  pTa | 21 | 19 | 2 | 0.021 |
  pT1-pT4 | 28 | 17 | 11 | |
 pN status | ||||
  Negative | 5 | 3 | 2 | 0.931 |
  Positive | 8 | 5 | 3 |