Table 4 Correlations between serum FBG and tumor TNM stage
|  | No. of patients (%) | Chi-square test | Fibrinogen (g/L) (means ± SE) | Regression analysis |
|---|---|---|---|---|
T stage |  | F = 11.94, p < 0.0001 |  | t = 4.63, p < 0.0001 |
 1 | 195 (16.3) |  | 3.19 ± 0.97 |  |
 2 | 180 (15.1) |  | 2.94 ± 0.85 |  |
 3 | 395 (33.0) |  | 3.33 ± 1.01 |  |
 4 | 426 (35.6) |  | 3.45 ± 0.99 |  |
N stage |  | F = 4.93, p = 0.0021 |  | t = 3.83, p = 0.0001 |
 N0 | 452 (37.8) |  | 3.17 ± 0.94 |  |
 N1 | 196 (16.4) |  | 3.24 ± 1.02 |  |
 N2 | 244 (20.4) |  | 3.37 ± 1.00 |  |
 N3 | 304 (25.4) |  | 3.44 ± 1.00 |  |
Pathological stage |  | F = 16.13, p < 0.0001 |  | t = 6.50, p < 0.0001 |
 1 | 205 (17.1) |  | 2.94 ± 0.89 |  |
 2 | 318 (26.6) |  | 3.18 ± 0.95 |  |
 3 | 599 (50.1) |  | 3.46 ± 1.00 |  |
 4 | 74 (6.2) |  | 3.38 ± 1.02 |  |