Variables/categories | NGAL expression | Pvalue | |
---|---|---|---|
 | ratio ≤ 1 | ratio > 1 |  |
Age, years | 63.38 ± 11.1 | 60.78 ± 13.1 | NS |
Gender | Â | Â | NS |
   Male | 13 | 31 |  |
   Female | 18 | 38 |  |
Grade | Â | Â | NS |
   Well-differentiated | 4 | 3 |  |
   Moderately differentiated | 20 | 51 |  |
   Poorly differentiated | 7 | 15 |  |
Depth of invasion | Â | Â | 0.028 |
   pT1 | 5 | 2 |  |
   pT2 | 13 | 23 |  |
   pT3 | 12 | 33 |  |
   pT4 | 1 | 11 |  |
Lymph node metastasis | Â | Â | 0.009 |
   Absent | 17 | 19 |  |
   Present | 14 | 50 |  |
Venous involvement | Â | Â | 0.023 |
   Absent | 26 | 42 |  |
   Present | 5 | 27 |  |
pTNM stage | Â | Â | 0.011 |
   pI | 4 | 2 |  |
   pII | 13 | 14 |  |
   pIII | 13 | 44 |  |
   pIV | 1 | 9 |  |