Histological type of primary | ||||
Adenocarcinoma | 661 (92.6%) | 371 (91.2%) | 290 (94.5%) | P = 0.09 |
Mucinous Adenocarcinoma/ Signet ring | 53 (7.4%) | 36 (8.8%) | 17 (5.5%) | |
Distant metastasis | ||||
No | 621 (87.0%) | 347 (85.3%) | 274 (89.3%) | P = 0.12 |
Yes | 93 (13.0%) | 60 (14.7%) | 33 (10.7%) | |
Lymphatic vessel permeation | ||||
No | 569 (79.7%) | 313 (76.9%) | 256 (83.4%) | P = 0.03 |
Yes | 145 (20.3%) | 94 (23.1%) | 51 (16.6%) | |
Venous invasion | ||||
None | 582 (81.5%) | 326 (80.1%) | 256 (83.4%) | P = 0.26 |
Yes | 132 (18.5%) | 81 (19.9%) | 51 (16.6%) | |
Positive margin | ||||
No | 667 (93.4%) | 380 (93.4%) | 287 (93.4%) | P = 0.95 |
Yes | 47 (6.6%) | 20 (6.5%) | 27 (6.6%) | |
Preoperative radiotherapy | ||||
No | 594 (83.2%) | 311 (76.4%) | 283 (92.2%) | P < 0.001 |
Yes | 120 (16.8%) | 96 (23.6%) | 24 (7.8%) | |
Preoperative chemotherapy | ||||
No | 633 (88.7%) | 344 (84.5%) | 289 (94.1%) | P < 0.001 |
Yes | 81 (11.3%) | 63 (15.5%) | 18 (5.9%) | |
Postoperative radiotherapy | ||||
No | 691 (96.8%) | 395 (97.1%) | 296 (96.4%) | P = 0.64 |
Yes | 23 (3.2%) | 12 (2.9%) | 11 (3.6%) | |
Postoperative chemotherapy | ||||
No | 487 (68.2%) | 225 (55.3%) | 262 (85.3%) | P < 0.001 |
Yes | 227 (31.8%) | 182 (44.7%) | 45 (14.7%) | |
TNM stage | ||||
Stage I | 187 (26.2%) | 95 (23.3%) | 92 (30.0%) | P = 0.01 |
Stage II | 201 (28.2%) | 105 (25.8%) | 96 (31.3%) | |
Stage III | 233 (32.6%) | 147 (36.1%) | 86 (28.0%) | |
Stage IV | 93 (13.0%) | 60 (14.7%) | 33 (10.7%) |