Table 4 Relationship between clinicopathological features and activity of neutrophil gelatinase‐associated lipocalin/matrix metalloproteinase 9 complex in oesophageal squamous carcinoma by zymography.
| Parameters | Complex activity level (T/N ratio, mean (SD)) | p Value |
|---|---|---|
| Mean age, years (range) | ||
| <58 | 5.316 (6.735) (n = 22) | 0.222 |
| >58 | 8.367 (9.739) (n = 26) | |
| Gender | ||
| Male | 6.563 (8.076) (n = 39) | 0.500 |
| Female | 8.724 (10.734) (n = 9) | |
| Primary tumour | ||
| T1/T2 | 3.007 (2.273) (n = 9) | 0.006 |
| T3/T4 | 7.883 (9.199) (n = 39) | |
| Regional lymph node | ||
| N0 | 6.222 (7.581) (n = 21) | 0.599 |
| N1 | 7.549 (9.332) (n = 27) | |
| Distant metastasis | ||
| M0 | 7.112 (8.683) (n = 46) | 0.582 |
| M1 | 3.665 (4.320) (n = 2) | |
| Stage | ||
| I/IIA/IIB | 6.290 (7.949) (n = 19) | 0.661 |
| III/IV | 7.412 (9.029) (n = 29) | |
| Histopathology | ||
| Well differentiated (G1) | 9.531 (8.825) (n = 13) | p1/2 = 0.181 |
| Moderately differentiated (G2) | 5.852 (7.840) (n = 30) | p2/3 = 0.780 |
| Poorly differentiated (G3) | 7.0040 (6.193) (n = 5) | p1/3 = 0.630 |
T/N ratio, ratio of tumour/corresponding normal tissue.