Table 1 Patient characteristics of total patients
| Â | Total |
|---|---|
Total, n (%) | 3806 (100) |
Gender, n (%) | Â |
 Male | 2820 (74.1) |
 Female | 986 (25.9) |
Differentiation, n (%) | Â |
 Well | 112 (2.9) |
 Moderate | 751 (19.7) |
 Poorly | 2942 (77.3) |
Lauren, n (%) | Â |
 Intestinal | 1350 (35.5) |
 Diffuse | 1197 (31.5) |
 Mixed | 1189 (31.2) |
 Indeterminate | 70 (1.8) |
Location, n (%) | Â |
 OGJ | 186 (4.9) |
 U | 1262 (33.2) |
 M | 544 (14.3) |
 L | 1802 (47.3) |
 Others | 12 (0.3) |
Stage, n (%) | Â |
 IA | 573 (15.1) |
 IB | 366 (9.6) |
 IIA | 390 (10.2) |
 IIB | 596 (15.7) |
 IIIA | 788 (20.7) |
 IIIB | 590 (15.5) |
 IIIC | 497 (13.1) |
 IV | 6 (0.2) |
HER2, n (%) | Â |
 3+ | 358 (9.4) |
 2+ | 982 (25.8) |
 1+ | 1091 (28.7) |
 0 | 1375 (36.1) |