Table 1 Clinicopathological features and treatment modalities in groups 1 and 2
Variable | Group 2 (age≤ 70 years ) n (%) Group 1 (age >70 years) n (%) | P p |
|---|---|---|
Gender | 0.26 | |
Male | 504 (70.5) | |
102 (67.5) | ||
Female | 211 (29.5) | |
49 (32.5 | ||
ECCOG | 0.14 | |
0 | 41 (27) | |
210 (29) | ||
1 | 80 (53) | |
2 | 405 (56) | |
30 (20) | ||
100 (15) | ||
Histology | 0.65 | |
Diffuse adenocarcinoma | 229 (32) | |
36 (24) | ||
Intestinal adenocarcinoma | 437 (61) | |
99 (66) | ||
Mixed adenocarcinoma | 49 (7) | |
16 (10) | ||
Stomach localization | 0.2 | |
Proximal (cardia) | 127 (17.8) | |
31 (19.6) | ||
Distal part | 588 (82.2) | |
120 (79.5) | ||
Presentation type | 0.4 | |
Metastatic | 345 (51.6) | |
68 (52.3) | ||
Non-metastatic | 324 (48.4) | |
62 (47.7) | ||
Perineural invasion | 0.5 | |
Present | 210 (73) | |
Absent | 40 (74) | |
77 (27) | ||
14 (26) | ||
Lymphovascular invasion | 0.21 | |
Present | 230 (80.5) | |
Absent | 56 (19.5) | |
48 (80) | ||
12 (20) | ||
Surgical procedure | 0.5 | |
Subtotal gastrectomy | 184 (56.8) | |
30 (48.4) | ||
Total gastrectomy | 133 (41) | |
30 (48.4) | ||
Palliative surgery | 7 (2.2) | |
2 (3.2) | ||
Adjuvant treatment | 0.02 | |
Present | 244 (75) | |
37 (60) | ||
Absent | 65 (20) | |
19 (30) | ||
Unknown | 15 (5) | |
6 (10) | ||
Palliative Treatment | 0.007 | |
Chemotherapy | 287 (83.2) | |
46 (67.6) | ||
Palliative care | 45 (13) | |
15 (22.1) | ||
Unknown | 13 (3.8) | |
7 (10.3) |