Table 1.
Correlations of H. pylori infection and clinicopathological features of GC patients
| Clinicopathological factors | n | H. pylori positive (n=159) | H. pylori negative (n=201) | P |
|---|---|---|---|---|
| Sex | ||||
| Female | 168 | 78 | 90 | 0.419 |
| Male | 192 | 81 | 111 | |
| Age (years) | ||||
| ≥65 | 146 | 65 | 81 | 0.911 |
| <65 | 214 | 94 | 120 | |
| Differentiation | ||||
| Differentiated | 212 | 86 | 126 | 0.100 |
| Undifferentiated | 148 | 73 | 75 | |
| Depth of invasion | ||||
| T1-T2 | 175 | 54 | 121 | <0.001 |
| T3-T4 | 185 | 105 | 80 | |
| Lymph metastasis | ||||
| Negative | 256 | 92 | 164 | <0.001 |
| Positive | 104 | 67 | 37 | |
| TNM stage | ||||
| I - II | 224 | 86 | 138 | 0.005 |
| III - IV | 136 | 73 | 63 | |
| Distant metastasis | ||||
| Negative | 276 | 102 | 174 | <0.001 |
| Positive | 84 | 57 | 27 |