Variables | AL (−) (N=290) | AL (+) (N=8) | χ2 | P value |
---|---|---|---|---|
Pathology type of tumor | Â | Â | 0.405 | 0.817 |
 Adenocarcinoma | 276 (95.2) | 8 (100) |  |  |
 Mucinous carcinoma | 11 (3.8) | 0 (0) |  |  |
 Signet-ring cell | 3 (1.0) | 0 (0) |  |  |
Size of tumor(cm) | Â | Â | 0.576 | 0.448 |
 ≤5 | 246 (84.8) | 6 (75) |  |  |
 >5 | 44 (15.2) | 2 (25) |  |  |
Tumor differentiation | Â | Â | 2.410 | 0.661 |
 Well | 19(6.6) | 0 (0) |  |  |
 Moderate | 224 (77.2) | 6 (75) |  |  |
 Poor  Well-moderate | 9 (3.1) 7 (2.4) | 0 (0) 0 (0) |  |  |
 Moderate-poor | 31 (10.7) | 2 (25) |  |  |
Tumor type | Â | Â | 3.526 | 0.172 |
 Ulcer | 182 (62.8) | 7 (87.5) |  |  |
 Uplift | 88 (30.3) | 0 (0) |  |  |
Infiltrating | 20 (6.9) | 1 (12.5) | Â | Â |
Tumor infiltrating | Â | Â | 2.570 | 0.766 |
 1/4 circle | 38 (12.8) | 2 (25) |  |  |
 1/3 circle | 79 (26.5) | 1 (12.5) |  |  |
 1/2 circle | 68 (22.8) | 2 (25) |  |  |
 2/3 circle | 48 (16.1) | 2 (25) |  |  |
 3/4 circle | 27 (9.1) | 0 (0) |  |  |
Full circle | 30 (10.1) | 1 (12.5) | Â | Â |
Vascular invasion | Â | Â | 0.213 | 0.644 |
 No | 235 (81) | 7 (87.5) |  |  |
 Yes | 55 (19) | 1 (12.5) |  |  |
Nerve invasion | Â | Â | 0.655 | 0.418 |
 No | 268 (92.4) | 8 (100) |  |  |
 Yes | 22 (7.6) | 0 (0) |  |  |
Pathological tumor(T)category |  |  | 15.357 | 0.004†|
 T0 | 5 (1.7) | 0 (0) |  |  |
 T1 | 21(7.3) | 0 (0) |  |  |
 T2 | 55 (19) | 6 (75) |  |  |
 T3 | 163 (56.4) | 1 (12.5) |  |  |
 T4 | 45 (15.6) | 1 (12.5) |  |  |
Pathological node(N)category | Â | Â | 1.945 | 0.584 |
 N0 | 162 (55.9) | 6 (75) |  |  |
 N1 | 76 (26.2) | 2 (25) |  |  |
 N2 | 46 (15.9) | 0 (0) |  |  |
 N3 | 6 (2.1) | 0 (0) |  |  |
Metastasis | Â | Â | 0.345 | 0.557 |
 M0 | 278 (95.9) | 8 (100) |  |  |
 M1 | 12 (4.1) | 0 (0) |  |  |
Cancerous node | Â | Â | 1.305 | 0.253 |
 No | 278 (95.9) | 7 (87.5) |  |  |
 Yes | 12 (4.1) | 1 (12.5) |  |  |