Table 1.
Distribution of demographic and clinical characteristics in two groups
| Demographic and clinical features | n |
Groups, n (%) |
χ2 | P | |
| Group I | Group II | ||||
| Sex | |||||
| Men | 122 | 62 (76.5) | 60 (80) | 0.273 | 0.601 |
| Women | 34 | 19 (23.5) | 15 (20) | ||
| Age (yr) | |||||
| ≤ 45 | 14 | 7 (8.6) | 7 (9.3) | 0.047a | 0.977 |
| 45 < age ≤ 60 | 71 | 36 (44.5) | 35 (46.7) | ||
| > 60 | 71 | 38 (46.9) | 33 (44.0) | ||
| Tumor siteb | |||||
| Gastric cardia | |||||
| Yes | 58 | 30 (37.0) | 28 (37.3) | 0.002 | 0.970 |
| No | 98 | 51 (63.0) | 47 (62.7) | ||
| Gastric body | |||||
| Yes | 64 | 35 (43.2) | 29 (38.7) | 0.332 | 0.564 |
| No | 92 | 46 (56.8) | 46 (61.3) | ||
| Gastric antrum | |||||
| Yes | 36 | 17 (21.0) | 19 (25.3) | 0.414 | 0.520 |
| No | 120 | 64 (79.0) | 56 (74.7) | ||
| Tumor sizec (cm) | |||||
| < 5 | 76 | 43 (59.7) | 33 (55.0) | 0.299 | 0.585 |
| ≥ 5 | 56 | 29 (40.3) | 27 (45.0) | ||
| Histological typec | |||||
| Differentiated | 52 | 28 (35.4) | 24 (64.6) | 0.002 | 0.962 |
| Poorly-differentiated | 94 | 51 (38.5) | 43 (64.2) | ||
| Invasionc | |||||
| Yes | 112 | 55 (76.4) | 57 (89.1) | 3.745 | 0.053 |
| No | 24 | 17 (23.6) | 7 (10.9) | ||
| Lymph node metastasisc | |||||
| Yes | 100 | 55 (76.4) | 45 (70.3) | 0.643 | 0.423 |
| No | 36 | 17 (23.6) | 19 (29.7) | ||
| Relapse | |||||
| Yes | 98 | 58 (28.4) | 40 (46.7) | 5.566 | 0.018 |
| No | 58 | 23 (71.6) | 35 (53.3) | ||
| Pathological grade | |||||
| 1 | 2 | 1 (1.3) | 1 (1.3) | 2.976 | 0.395 |
| 2 | 27 | 18 (22.2) | 9 (12.0) | ||
| 3 | 92 | 44 (54.3) | 48 (64.0) | ||
| 4 | 35 | 18 (22.2) | 17 (22.7) | ||
| Tumor stage | |||||
| I | 14 | 9 (11.1) | 5 (6.7) | 2.129a | 0.546 |
| II | 22 | 12 (14.8) | 10 (13.3) | ||
| III | 102 | 49 (60.5) | 53 (70.7) | ||
| IV | 18 | 11 (13.6) | 7 (9.3) | ||
a
cmh2 χ2-test;
b
Two cases of gastric cancer involving gastric cardia and body;
c
Missed cases.