Table 1 Demographic, clinical and pathological characteristics of study subjects
Characteristics | Cases (n = 574) | Controls (n = 574) | Pvalue value |
|---|---|---|---|
Age (Mean ± SD, years) | 58.56 ± 12.09 | 58.29 ± 11.88 | 0.71 |
Sex (Male/female) | 399/175 | 399/175 | 1.00 |
Seropositive rate of H. pylori infection | 71.1% | 67.9% | 0.25 |
Location of gastric carcinoma | Â | Â | Â |
  Cardia | 181 | NA |  |
  Noncadia | 393 | NA |  |
Vascular invasion | Â | Â | Â |
  Absent | 363 | NA |  |
  Present | 211 | NA |  |
Lymph node metastasis | Â | Â | Â |
  Absent | 173 | NA |  |
  Present | 401 | NA |  |
Liver metastasis | Â | NA | Â |
  Absent | 512 | NA |  |
  Present | 62 | NA |  |
Peritoneal dissemination | Â | Â | Â |
  Absent | 503 | NA |  |
  Present | 71 | NA |  |
TNM stage | Â | Â | Â |
  IA | 96 | NA |  |
  IB | 79 | NA |  |
  II | 107 | NA |  |
  III | 173 | NA |  |
  IV | 119 | NA |  |
Follow-up (months) | Â | NA | Â |
Median (Range) | 36 (4–48) | NA |  |