Table 1.
Basic information of the participants
| Characteristics | Anal disease | Adenoma | CRC |
|---|---|---|---|
| Gendera | |||
| Male | 19 | 24 | 143 |
| Female | 42 | 26 | 105 |
| Age(years)a | |||
| > 60 | 22 | 24 | 129 |
| ≤ 60 | 38 | 26 | 119 |
| Smoking | |||
| Yes | 59 | ||
| No | 189 | ||
| Drinking | |||
| Yes | 40 | ||
| No | 208 | ||
| Tumor location | |||
| Colon | 82 | ||
| Rectum | 166 | ||
| TNM stagea | |||
| I | 6 | ||
| II | 89 | ||
| III | 132 | ||
| IV | 18 | ||
| Invasive extenta | |||
| T1-2 | 44 | ||
| T3-4 | 155 | ||
| Lymph node metastasis | |||
| Positive | 148 | ||
| Negative | 100 | ||
| Distant metastasis | |||
| Positive | 64 | ||
| Negative | 184 | ||
| Perineural invasion | |||
| Positive | 148 | ||
| Negative | 100 | ||
| Vessel carcinoma embolus | |||
| Positive | 60 | ||
| Negative | 188 | ||
| Growth patten | |||
| Infiltrative | 152 | ||
| Nested/cloddy | 96 | ||
| Differentiation degree | |||
| Poor/mucinous | 80 | ||
| Well/moderate | 168 | ||
| Family history | |||
| Positive | 43 | ||
| Negative | 205 | ||
CRC colorectal cancer, MST median survival time
aIncomplete information