Table 2 Correlation between the IL-6, CRP and clinicopathological parameters
| Â | IL-6 | CRP | ||||
|---|---|---|---|---|---|---|
|  | Median ± SD | r | P | Median ± SD | R | P |
Total | pg/ml | Â | Â | (mg/dl) | Â | Â |
Tumor depth | Â | Â | Â | Â | Â | Â |
   pT1 | 8.1 ± 5.7 | 0.564 | 0.001 | 8.4 ± 3.1 | 0.374 | 0.304 |
   pT2 | 17.8 ± 8.6 |  |  | 10.5 ± 2.7 |  |  |
   pT3 | 19.2 ± 10.0 |  |  | 9.0 ± 2.4 |  |  |
   pT4 | 26.2 ± 11.2 |  |  | 16.0 ± 3.3 |  |  |
LN meta | Â | Â | Â | Â | Â | Â |
   N1 | 11.6 ± 4.8 | 0.844 | 0.000 | 9.6 ± 4.1 | 0.690 | 0.000 |
   N2 | 20.7 ± 6.9 |  |  | 15.7 ± 9.0 |  |  |
   N3 | 32.1 ± 10.7 |  |  | 29.4 ± 15.6 |  |  |
Distant meta | Â | Â | Â | Â | Â | Â |
   Metastasis(-) | 17.3 ±7.6 | 0.773 | 0.009 | 13.9 ± 8.5 | 0.175 | 0.061 |
   Metastasis(+) | 39.7 ± 9.3 |  |  | 37.4 ± 16.0 |  |  |
TNM stage | Â | Â | Â | Â | Â | Â |
   2A | 5.6 ± 1.5 | 0.702 | 0.000 | 10.1 ± 3.9 | 0.463 | 0.000 |
   2B | 11.7 ± 4.4 |  |  | 9.2 ± 4.6 |  |  |
   3A | 16.9 ± 4.7 |  |  | 13.8 ± 7.2 |  |  |
   3B | 19.1 ± 4.8 |  |  | 12.8 ± 9.2 |  |  |
   3C | 26.3 ± 7.0 |  |  | 21.5 ± 9.9 |  |  |
   4 | 39.8 ± 9.4 |  |  | 37.5 ± 16.0 |  |  |