T1N0 | Negative | 121 ± 15.7 |
Positive | 126 ± 12.2 | |
T2N0 | Negative | 121 ± 13.9 |
Positive | 89 ± 13.1 | |
T3N0 | Negative | 103 ± 18 |
Positive | 65 ± 12.4 | |
T4N0 | Negative | 47 ± 18.9 |
Positive | 18 ± 2.2 |
Gender [male (%)] | 63 | 57 |
Age (years ± SD) | 64 ± 12.2 | 64 ± 11.9 |
ASA (%) | ||
I | 41.8 | 37.1 |
II | 37.3 | 37.1 |
III | 20.9 | 25.7 |
Lymphadenectomy (%) | ||
D1 | 19.2 | 23.9 |
D2 | 80.8 | 76.1 |
Tumou r site (%) | ||
Lesser curvature | 33.3 | 38.6 |
Greater curvature | 38.9 | 40.4 |
Anterior wall | 25.0 | 15.8 |
Posterior wall | 1.4 | 2.6 |
Circumferential | 1.4 | 2.6 |
Differentiation (%) | ||
Well | 27.4 | 21.0 |
Moderate | 25.8 | 33.0 |
Poor | 46.8 | 46.0 |
Lauren (%) | ||
Intestinal | 63.9 | 47.2 |
Diffuse | 19.7 | 31.5 |
Mixed | 16.4 | 21.3 |
Lymphangial invasion [yes (%)] | 52.9 | 54.7 |
Vascular invasion[yes (%)] | 7.3 | 11.1 |
Perineural invasion[yes (%)] | 15.7 | 14.4 |
T stage (%) | ||
1 | 31.5 | 43.8 |
2 | 38.4 | 28.9 |
3 | 26.0 | 18.4 |
4 | 4.1 | 8.8 |
UICC (%) | ||
Ia | 31.5 | 45.6 |
Ib | 38.4 | 28.9 |
IIa | 26.0 | 16.7 |
IIb | 1.4 | 5.3 |
IIIb | 2.7 | 3.5 |
Tumour diameter (mm ± SD) | 52 ± 33.8 | 50 ± 32.4 |
Number of extractedlymph nodes (n ± SD) | 21 ± 11.2 | 20 ± 10.7 |
Perineural invasion | 1.337 | 0.612 | 2.921 | NS |
Tumour site | 1.151 | 0.881 | 1.502 | NS |
T stage | 1.755 | 1.321 | 2.330 | < 0.0001 |
Extracted lymph nodes | 0.972 | 0.948 | 0.997 | 0.026 |
Preoperative Ca19-9 serum level | 1 | 1.000 | 1.001 | NS |
Ca19-9 cut-off (3.5 IU/ml) | 1.045 | 0.528 | 2.068 | NS |