Table 1 Patient characteristics
Characteristics | Radiotherapy | Chemoradiotherapyb | Total | |
|---|---|---|---|---|
|  | (n = 10) % (n) | (n = 5) % (n) | (n = 15) % (n) | |
Age (years) | ||||
|  | Median (range) | 62 (57–87) | 53 (42–71) | 61 (42–87) |
Sex | Â | Â | ||
| Â | Male | 70 (7) | 80 (4) | 73 (11) |
ECOG performance status | ||||
| Â | 1 | 0 | 20 (1) | 1 (7) |
| Â | 2 | 30 (3) | 20 (1) | 4 (26) |
| Â | 3 | 70 (7) | 60 (3) | 10 (67) |
Palliative prognostic index group [22] | ||||
| Â | A | 0 | 20 (1) | 7 (1) |
| Â | B | 70 (7) | 20 (1) | 53 (8) |
| Â | C | 30 (3) | 60 (3) | 40 (6) |
Histological type | ||||
| Â | Well differentiated | 10 (1) | 20 (1) | 13 (2) |
| Â | Moderately differentiated | 50 (5) | 20 (1) | 40 (6) |
| Â | Poorly differentiated | 40 (4) | 60 (3) | 47 (7) |
Location | ||||
| Â | Esophagogastric junction | 20 (2) | 40 (2) | 27 (4) |
| Â | Gastric corpus | 80 (8) | 60 (3) | 73 (11) |
Metastatic sitea | ||||
| Â | Lymph nodes | 60 (6) | 80 (4) | 67 (10) |
| Â | Liver | 60 (6) | 60 (3) | 60 (9) |
| Â | Peritoneum | 30 (3) | 60 (3) | 40 (6) |
Prior chemotherapeutic regimen | ||||
| Â | 0 | 10 (1) | 0 | 7 (1) |
| Â | 1 | 20 (2) | 20 (1) | 20 (3) |
| Â | 2 | 10 (1) | 20 (1) | 13 (2) |
| Â | 3 or more | 60 (6) | 60 (3) | 60 (9) |
Subsequent chemotherapyc | ||||
| Â | Yes | 20 (2) | 60 (3) | 33 (5) |
Radiotherapy dose (Gy) | ||||
| Â | 30 | 80 (8) | 80 (4) | 80 (12) |
| Â | >30 | 10 (1) | 20 (1) | 13 (2) |
| Â | <30 | 10 (1) | 0 | 7 (1) |
Biologically effective dose (Gy10) | ||||
|  | Median (range) | 39 (23.4–43.2) | 39 (39–48) | 39 (23–48) |