Table 3.
Relationship of high carbonic anhydrase IX (CA9) expression and clinicopathologic characteristics in the esophageal adenocarcinoma group (N = 112)
| Variable | High expression n (%) | Low expression n (%) | P value |
|---|---|---|---|
| Age, years | |||
| Mean (SD) | 64.8 (10.8) | 63.5 (12.0) | .7260 |
| Range | (34–85) | (36–80) | |
| Sex | |||
| Male | 89 | 10 | .7598 |
| Female | 12 | 1 | |
| Lymph node metastasis | |||
| Positive nodes | 3.7 (4.5) | 3.9 (6.5) | .8752 |
| T Stage | |||
| 0 | 1 | 0 | .5618 |
| 1 | 10 | 2 | |
| 2 | 30 | 2 | |
| 3 | 60 | 7 | |
| N stage | |||
| 0 | 27 | 2 | .9260 |
| 1 | 49 | 6 | |
| 2 | 15 | 2 | |
| 3 | 10 | 1 | |
| TNM stage | .3000 | ||
| 1 | 13 | 3 | |
| 2 | 22 | 1 | |
| 3 | 64 | 6 | |
| Differentiation | |||
| Poor | 68 | 5 | .3196 |
| Moderate | 32 | 4 | |
| Well | 5 | 1 |
TNM Tumor Staging based on WHO Classification of Malignant Tumors; N stage based on lymph node metastasis