Patient demographics and adenoma characteristics
| % of patients (n=60) | % of polyps (n=201) | |
|---|---|---|
| Race | ||
| African-American | 33 (20) | 29 (58) |
| White | 65 (39) | 70 (140) |
| Other | 2 (1) | 1 (3) |
| Sex | ||
| Female | 42 (25) | 36 (73) |
| Male | 58 (35) | 64 (128) |
| Number of polyps analysed from each patient (range 1–17, median 2) | ||
| 1 | 32 (19) | 9 (19) |
| 2–5 | 53 (32) | 49 (98) |
| >5 | 15 (9) | 42 (84) |
| Polyp size (mean 0.7 (SD 0.7) cm)1-150 | ||
| 0.1–0.5 | 75 (45) | 63 (126) |
| >0.5–1 | 48 (29) | 25 (50) |
| >1–-2 | 27 (16) | 9 (18) |
| >2 | 12 (7) | 3 (7) |
| Histopathology1-150 | ||
| Tubular | 85 (51) | 79 (158) |
| Tubulovillous | 48 (29) | 20 (41) |
| Villous | 3 (2) | 1 (2) |
| Site1-150 | ||
| Right colon | 57 (34) | 51 (102) |
| Left colorectum | 83 (50) | 47 (95) |
| Not designated | 7 (4) | 2 (4) |
Age at polypectomy: range 28–91 years, mean 64 (11).
Colonoscopic examination per patient: range 1–5, median 2.
↵1-150 Total percentage for patients exceeds 100% due to multiple adenomas.