Variables | TCGA Cohort (n = 44) | Nanfang Hospital Cohort (n = 400) | GSE62254 (n = 300) | GSE15459 (n = 192) |
---|---|---|---|---|
Age (years) | 64.73 ± 9.33 | 56.04 ± 10.87 | 61.94 ± 11.36 | 64.37 ± 13.24 |
Sex (male) | 38 (86.4%) | 276 (69.0%) | 199 (66.3%) | 125 (65.1%) |
T stage | Â | Â | Â | Â |
 T1 | 0 | 64 (16%) | 0 | 0 |
 T2 | 1 (2.3%) | 39 (9.8%) | 188 (62.7%) | 0 |
 T3 | 24 (54.5%) | 43 (10.8%) | 91 (30.3%) | 0 |
 T4 | 19 (53.2%) | 254 (63.5%) | 21 (7%) | 0 |
 Unknown | 0 | 0 | 0 | 192 (100%) |
NÂ stage | Â | Â | Â | Â |
 N0 | 8 (18.2%) | 144 (36%) | 38 (12.7%) | 0 |
 N1 | 9 (20.5%) | 76 (19%) | 131 (41.7%) | 0 |
 N2 | 12 (27.3%) | 72 (18%) | 80 (26.7%) | 0 |
 N3 | 14 (31.8%) | 108 (27%) | 51 (17%) | 0 |
 Unknowm | 1 (2.3%) | 0 | 0 | 192 (100%) |
M stage | Â | Â | Â | Â |
 M0 | 41 (93.2%) | 391 (97.8%) | 273 (91%) | 0 |
 M1 | 2 (4.5%) | 9 (2.2%) | 27 (7%) | 0 |
 Unknown | 1 (2.3%) | 0 | 0 | 192 (100%) |
Stage | Â | Â | Â | Â |
 I | 1 (2.3%) | 81 (20.3%) | 30 (10%) | 31 (16.1%) |
 II | 7 (15.9%) | 92 (23%) | 96 (32.3%) | 29 (15.1%) |
 III | 31 (70.5%) | 188 (47%) | 96 (32%) | 72 (37.5%) |
 IV | 4 (9.1%) | 25 (12.5%) | 77 (25.7%) | 60 (31.3%) |
 Unknown | 1 (2.3%) | 0 | 0 | 0 |
Pathological_type | Â | Â | Â | Â |
 Adenocarcinoma | 40 (90.9%) | 305 (76.3%) | 245 (81.7%) | 0 |
 Signet ring cell carcinoma | 4 (9.1%) | 61 (15.3%) | 42 (14%) | 0 |
 Others | 0 | 34 (8.5%) | 13 (4.3%) | 0 |
 Unknown |  | 0 | 0 | 192 (100%) |
Venous invasion | Â | Â | Â | Â |
 Yes | 0 | 326 (81.5%) | 44 (14.7%) | 0 |
 No | 0 | 74 (18.5%) | 129 (43%) | 0 |
 Unknown | 44 (100%) | 0 | 127 (42.3%) | 192 (100%) |
Lymphovascular invasion | Â | Â | Â | Â |
 Yes | 0 | 340 (85%) | 205 (68.3%) | 0 |
 No | 0 | 60 (15%) | 73 (24.3%) | 0 |
 Unknown | 44 (100%) | 0 | 22 (17.3%) | 192 (100%) |
Perineural invasion | Â | Â | Â | Â |
 Yes | 0 | 282 (70.5%) | 88 (29.3%) | 0 |
 No | 0 | 118 (29.5%) | 159 (53%) | 0 |
 Unknown | 44 (100%) | 0 | 53 (17.7%) | 192 (100%) |
Postoperative chemotherapy | Â | Â | Â | Â |
 Yes | 0 | 223 (59.7%) | 226 (75.3%) | 0 |
 No | 0 | 177 (40.3%) | 73 (24.3%) | 0 |
 Unknown | 44 (100%) | 0 | 1 (0.3%) | 192 (100%) |