Table I.
Association between XIAP expression levels and clinicopathological features of gastric cancer.
| XIAP expression | |||
|---|---|---|---|
| Variable | Low | High | P-value |
| Sex | 0.63a | ||
| Male | 20 | 56 | |
| Female | 16 | 52 | |
| Age, years | 0.70a | ||
| ≤50 | 19 | 30 | |
| >50 | 17 | 78 | |
| Location | 0.26b | ||
| Upper | 20 | 66 | |
| Middle | 11 | 22 | |
| Lower | 5 | 13 | |
| Whole | 0 | 7 | |
| Tumor size, cm | <0.01a | ||
| <5 | 13 | 18 | |
| ≥5 | 23 | 90 | |
| Histological type | 0.60b | ||
| WMD | 14 | 36 | |
| PD | 16 | 65 | |
| SRC | 4 | 2 | |
| MC | 2 | 5 | |
| Serosal invasion | <0.01a | ||
| Absent | 20 | 21 | |
| Present | 16 | 87 | |
| Lymph node metastasis | 0.02a | ||
| Negative | 15 | 14 | |
| Positive | 21 | 94 | |
| Total | 36 | 108 | |
a
χ2
b
Fisher's exact test was used for statistical analysis. XIAP, X-linked inhibitor of apoptosis protein; WMD, well or moderately differentiated adenocarcinoma; PD, poorly differentiated adenocarcinoma; SRC, signet ring cell carcinoma; MC, mucinous adenocarcinoma.