Table 1.
Patient and tumor characteristics (n = 354)
| Variable | No. of patients (%) (n = 354) | |
|---|---|---|
| Age ≥65 years | 142 (40) | |
| Sex | Female | 141 (40) |
| Male | 213 (60) | |
| Race/ethnicity | White | 196 (55) |
| Black | 34 (10) | |
| Asian | 39 (11) | |
| Hispanic/Latino | 85 (24) | |
| Surgery year | 1995–2005 | 134 (38) |
| 2006–2015 | 220 (62) | |
| Histology grade (n = 328) | Well differentiated | 1 (0.3) |
| Moderately differentiated | 76 (23) | |
| Poorly differentiated | 251 (77) | |
| Signet-ring cells | Yes | 180 (51) |
| Linitis plastica | Yes | 21 (6) |
| Suspicious | 14(4) | |
| Location | GEJ | 78 (22) |
| Cardia/fundus | 36 (10) | |
| Body | 173 (49) | |
| Antrum | 67 (19) | |
| Type of resection | Total gastrectomy | 193 (54) |
| Subtotal gastrectomy | 144 (41) | |
| Proximal gastrectomy | 17 (5) | |
| Preoperative therapy | Yes | 354 (100) |
| Chemoradiation | 265 (75) | |
| Postoperative therapy | Yes | 56 (16) |
| Concomitant organ resection | Yes | 58 (16) |
| Pancreatectomy | 19 (5) | |
| Splenectomy | 20 (6) | |
| Hepatectomy | 25 (7) | |
| Colon/small bowel | 10 (3) | |
| Extent of lymph node (LN) dissection = D1+/D2 | Yes | 304 (86) |
| Number of LNs examined ≥16 | Yes | 259 (73) |
| Postoperative mortality <90 days | Yes | 9 (2.5) |
| cT category | 1a/1b | 0 (0) |
| 2 | 53 (15) | |
| 3/4a | 274 (77) | |
| 4b | 27 (8) | |
| cN category | Negative | 159 (45) |
| Positive | 195 (55) | |
| ypT category | 0 | 56 (16) |
| 1a/1b | 57 (16) | |
| 2 | 67 (19) | |
| 3 | 124 (35) | |
| 4a | 36 (10) | |
| 4b | 14 (4) | |
| ypN category | 0 | 202 (57) |
| 1 | 79 (22) | |
| 2 | 36 (10) | |
| 3 | 37 (10) | |
| ypM category | 0 | 336 (95) |
| 1 | 18 (5) | |
| Residual tumor | R0 | 316 (94) |
| [n = 336 (ypM0)] | R1 | 20 (6) |