Table I.
Clinicopathological characteristics of the CRC patients.
| Characteristic | Data |
|---|---|
| Age, years, mean (range) | 59.2 (23–87) |
| Sex, n (%) | |
| Male | 50 (52.1) |
| Female | 46 (47.9) |
| Race/ethnicity, n (%) | |
| African-Americans | 56 (58.3) |
| Non-Hispanic Whites | 40 (41.7) |
| Site, n (%) | |
| Colon | 62 (64.6) |
| Rectum | 34 (35.4) |
| TNM stage, n (%) | |
| I | 11 (11.4) |
| II | 30 (31.3) |
| III | 35 (36.5) |
| IV | 20 (20.8 |
| Histological grade, n (%) | |
| Well-differentiated | 6 (6.3) |
| Moderately differentiated | 78 (81.3) |
| Poorly differentiated | 7 (7.3) |
| Unknown | 5 (5.1%) |
| Lymph node metastasis, n (%) | |
| Negative | 36 (37.5) |
| Positive | 50 (52.1) |
| Unknown | 10 (10.4) |
| Surgical margins, n (%) | |
| Negative | 74 (77.1) |
| Positive | 18 (18.8) |
| Unknown | 4 (4.1) |
| Follow-up time (years), median (range) | 5.4 (0.1–10.3) |
CRC, colorectal cancer.