Table 1 Clinicopathological findings of 837 patients with advanced proximal gastric cancer
|  | N | NSR (n = 572) | CR (n = 152) | SPR (n = 113) | P |
|---|---|---|---|---|---|
Gender | Â | Â | Â | Â | 0.947 |
 Male | 668 | 457 (68.4%) | 120 (18.0%) | 91 (13.6%) |  |
 Female | 169 | 115 (68.0%) | 32 (18.9%) | 22(13.0%) |  |
Age | Â | Â | Â | Â | 0.387 |
  < 60 years | 460 | 306 (66.5%) | 86 (18.7%) | 68 (14.8%) |  |
  ≥ 60 years | 377 | 266 (70.6%) | 66 (17.5%) | 45 (11.9%) |  |
Tumor size |  |  |  |  | < 0.001 |
  < 5 cm | 358 | 264 (73.7%) | 38 (10.6%) | 56 (15.6%) |  |
  ≥ 5 cm | 479 | 308(64.3%) | 114 (23.8%) | 57 (11.9%) |  |
Gastrectomy type | Â | Â | Â | Â | 0.106 |
 Proximal | 335 | 244 (72.8%) | 52 (15.5%) | 39 (11.6%) |  |
 Total | 502 | 328 (65.3%) | 100 (19.9%) | 74 (14.7%) |  |
Greater curvature involved |  |  |  | < 0.001 | |
 No | 617 | 445 (72.1%) | 91 (14.7%) | 81 (13.1%) |  |
 Yes | 220 | 127 (57.7%) | 61 (27.7%) | 32 (14.5%) |  |
pT stage |  |  |  |  | < 0.001 |
 pT2 | 96 | 75 (78.1%) | 8 (8.3%) | 13 (13.5%) |  |
 pT3 | 282 | 212 (75.2%) | 28 (9.9%) | 42 (14.9%) |  |
 pT4a | 459 | 285 (62.1%) | 116 (25.3%) | 58 (12.6%) |  |
pN stage | Â | Â | Â | Â | 0.003 |
 pN0 | 266 | 198 (74.4%) | 42 (15.8%) | 26 (9.8%) |  |
 pN1 | 149 | 106 (71.1%) | 31(20.8%) | 12 (8.1%) |  |
 pN2 | 180 | 122 (67.8%) | 26 (14.4%) | 32 (17.8%) |  |
 pN3a-3b | 242 | 146 (60.3%) | 53 (21.9%) | 43 (17.8%) |  |
pTNM stage |  |  |  |  | < 0.001 |
 IB-IIA | 168 | 138 (82.1%) | 12 (7.1%) | 18 (10.7%) |  |
 IIB-IIIA | 432 | 293 (67.8%) | 87 (20.1%) | 52 (12.0%) |  |
 IIIB-IIIC | 237 | 141 (59.5%) | 53 (22.4%) | 43 (18.1%) |  |
Bormann type | Â | Â | Â | Â | 0.475 |
 Bor 1–2 | 160 | 107 (66.9%) | 34 (21.3%) | 19 (11.9%) |  |
 Bor 3–4 | 677 | 465 (68.7%) | 118 (17.4%) | 94 (13.9%) |  |