Table 1 Patient characteristics
Characteristic | Pilot study | Total cohort* |
|---|---|---|
N = 40 | N = 150 | |
N (%) | N (%) | |
Age, yr, median (range) | 63 (40-83) | 64 (29-84) |
Sex | Â | Â |
  Male | 31 (77.5) | 110 (73.3) |
  Female | 9 (22.5) | 40 (26.7) |
Tumor site | Â | Â |
  Distal stomach | 12 (30.0) | 57 (34.0) |
  Proximal stomach | 19 (47.5) | 62 (41.3) |
  Whole stomach | 9 (22.5) | 37 (24.7) |
Stage | Â | Â |
  I | 4 (10.0) | 17 (11.3) |
  II | 9 (22.5) | 34 (22.7) |
  III | 25 (62.5) | 94 (62.7) |
  IV | 2 (5.0) | 5 (3.3) |
Histological grade | Â | Â |
  1 | 0 | 3 (2.0) |
  2 | 8 (20.0) | 31 (20.7) |
  3 | 22 (55.0) | 71 (47.3) |
  Mixed 1–2 | 0 | 2 (1.3) |
  Mixed 2–3 | 10 (25.0) | 43 (28.7) |
Lymph node metastasis | Â | Â |
  No | 9 (22.5) | 35 (23.3) |
  Yes | 31 (77.5) | 115 (76.7) |