Table 1.
Clinicopathologic characteristics of patients with ICC and healthy controls
| No. of patients or controls | |||
|---|---|---|---|
|
|
|||
| Characteristics | Case (n) | controls (n) | P |
| No. | 260 | 260 | |
| Age, y | > 0.05 | ||
| Median | 57.2 | 56.3 | |
| Range | 24-81 | 23-87 | |
| Gender | > 0.05 | ||
| Male | 149 | 147 | |
| Female | 111 | 113 | |
| Alcohol abusing | < 0.01 | ||
| Never | 170 | 218 | |
| Former | 26 | 13 | |
| Current | 64 | 29 | |
| Location | - | - | |
| Hilar | 89 | - | |
| Peripheral | 171 | - | |
| Histology | - | ||
| Differentiated | 85 | - | |
| Undifferentiated | 175 | - | |
| UICC stage grouping (sixth edition) | - | ||
| I | 49 | - | |
| II | 67 | ||
| III (A-C) | 115 | - | |
| IV | 29 | -- | |
| Lymph node | -- | ||
| Positive | 160 | - | |
| Negative | 100 | - | |
| Tumor size (cm) | - | ||
| ≤ 4 | 138 | - | |
| > 4 | 122 | - | |
| Distant metastasis | |||
| Yes | 29 | ||
| No | 231 | ||