Table 2 Clinical characteristics between low- and high-risk groups
Variables | Low risk No. (%) | High risk No. (%) | P value |
|---|---|---|---|
Age (years) | Â | Â | 0.466 |
  < 67 | 73 (45.91%) | 79 (50.00%) |  |
  ≥ 67 | 86 (54.09%) | 79 (50.00%) |  |
Gender | Â | Â | 0.006 |
 Male | 90 (56.60%) | 113 (71.52%) |  |
 Female | 69 (43.40%) | 45 (28.48%) |  |
T stage | Â | Â | 0.385 |
 T1/2 | 44 (27.67%) | 37 (23.42%) |  |
 T3/4 | 115 (72.33%) | 121 (76.58%) |  |
N stage | Â | Â | 0.043 |
 N0/1 | 97 (61.01%) | 84 (53.16%) |  |
 N2/3 | 62 (38.99%) | 69 (43.67%) |  |
 NX | 0 (0.00%) | 5 (3.16%) |  |
M stage | Â | Â | 0.624 |
 M0 | 145 (91.19%) | 141 (89.24%) |  |
 M1 | 8 (5.03%) | 12 (7.59%) |  |
 MX | 6 (3.77%) | 5 (3.16%) |  |
Tumor stage | Â | Â | 0.958 |
 I/II | 75 (47.17%) | 75 (47.47%) |  |
 III/IV | 84 (52.83%) | 83 (52.53%) |  |
Family history of stomach cancer | Â | Â | 0.205 |
 Yes | 5 (3.14%) | 10 (6.33%) |  |
 No | 122 (76.73%) | 121 (76.58%) |  |
 N/A | 32 (20.13%) | 27 (17.09%) |  |
H. pylori infection | Â | Â | 0.035 |
 Yes | 6 (3.77%) | 11 (6.96%) |  |
 No | 80 (50.31%) | 49 (31.01%) |  |
 N/A | 73 (45.91%) | 98 (62.03%) |  |
Grade | Â | Â | 0.152 |
 G1 | 3 (1.89%) | 5 (3.16%) |  |
 G2 | 62 (38.99%) | 46 (29.11%) |  |
 G3 | 92 (57.86%) | 101 (63.92%) |  |
 GX | 2 (1.26%) | 6 (3.80%) |  |
Reflux history | Â | Â | 0.988 |
 Yes | 19 (11.95%) | 16 (10.13%) |  |
 No | 86 (54.09%) | 72 (45.57%) |  |
 N/A | 54 (33.96%) | 70 (44.30%) |  |
 Disease type |  |  | 0.046 |
Adenomas and adenocarcinomas | 150 (94.34%) | 139 (87.97%) | Â |
 Cystic, mucinous and serous neoplasms | 9 (5.66%) | 19 (12.03%) |  |
 Survival status |  |  | 0.008 |
 Alive | 105 (66.04%) | 81 (51.27%) |  |
 Dead | 54 (33.96%) | 77 (48.73%) |  |