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World J Gastrointest Surg. Dec 27, 2013; 5(12): 321-328
Published online Dec 27, 2013. doi: 10.4240/wjgs.v5.i12.321
Published online Dec 27, 2013. doi: 10.4240/wjgs.v5.i12.321
Table 1 Comparison of the characteristics of the surgical groups n (%)
| Characteristic | No chemon = 1191 | Receivedchemotherapyn = 327 | P value | |
| Age, yr | Mean ± SD | 71 ± 12 | 61 ± 14 | < 0.0001 |
| Sex | Men | 741 (62) | 221 (68) | 0.0743 |
| Women | 450 (38) | 106 (32) | ||
| Race/ ethnicity | Non-hispanic white | 438 (37) | 118 (36) | 0.9833 |
| Black | 112 (9) | 33 (10) | ||
| Hispanic white | 322 (27) | 88 (27) | ||
| Asian/pacific islanders | 319 (27) | 88 (27) | ||
| Tumor location | Proximal | 296 (25) | 98 (30) | 0.0290 |
| Distal | 423 (36) | 100 (31) | ||
| Whole | 167 (14) | 59 (18) | ||
| Middle | 305 (26) | 70 (21) | ||
| Grade | Well differentiated | 26 (2) | 1 (0) | 0.0178 |
| Moderately differentiated | 312 (26) | 70 (21) | ||
| Poorly differentiated | 792 (66) | 234 (72) | ||
| Undifferentiated | 40 (3) | 18 (6) | ||
| Unknown | 21 (2) | 4 (1) | ||
| Tumor size | ≤ 5 cm | 462 (39) | 117 (36) | 0.6048 |
| >5 cm | 507 (43) | 145 (44) | ||
| Unknown | 222 (19) | 65 (20) | ||
| T stage1 | T2 | 108 (9) | 24 (7) | 0.1556 |
| T3 | 620 (52) | 163 (50) | ||
| T4a | 319 (27) | 96 (29) | ||
| T4b | 144 (12) | 44 (13) | ||
| N stage1 | N0 | 334 (28) | 38 (12) | < 0.0001 |
| N1 | 786 (66) | 261 (80) | ||
| N2 | 31 (3) | 15 (5) | ||
| N3 | 40 (3) | 13 (4) | ||
| Node status | N- | 334 (28) | 38 (12) | < 0.0001 |
| N+ | 857 (72) | 289 (88) | ||
| AJCC7 group | II | 767 (64) | 187 (57) | 0.0168 |
| III | 424 (36) | 140 (43) | ||
- Citation: Arrington AK, Nelson R, Patel SS, Luu C, Ko M, Garcia-Aguilar J, Kim J. Timing of chemotherapy and survival in patients with resectable gastric adenocarcinoma. World J Gastrointest Surg 2013; 5(12): 321-328
- URL: https://www.wjgnet.com/1948-9366/full/v5/i12/321.htm
- DOI: https://dx.doi.org/10.4240/wjgs.v5.i12.321