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Characteristic of colorectal tumors and patients.
| Characteristics | Category | Sub-category | N = 41 pairs |
|---|---|---|---|
| Gender | Men | 17 (42%) | |
| Women | 21 (51%) | ||
| Unknown | 3 (7%) | ||
| Ethnicity | African-American | 11 (27%) | |
| Caucasian | 27 (66%) | ||
| Unknown | 3 (7%) | ||
| Age (years) | ≥55 | African American | 9 (28%) |
| Caucasian | 23 (72%) | ||
| Total | 32 | ||
| ≤55 | African American | 2 (33%) | |
| Caucasian | 4 (67%) | ||
| Total | 6 | ||
| Unknown | Total | 3 | |
| Differentiation | Tubular | 7 (12%) | |
| Tubulovillous | 14 (25%) | ||
| Villous | 10 (17%) | ||
| Polypvillous | 8 (14%) | ||
| Cancer | 18 (32%) |
