Table 1 Clinical characteristics of the patients and polyps
Patient characteristics | ||
Patients with distal colorectal polyps (n = 77) | Patients with rectosigmoid polyps (n = 59) | |
Sex, n (%) | ||
Male | 49 (63.6) | 37 (62.7) |
Female | 28 (36.4) | 22 (37.3) |
Age, y | ||
Mean ± SD | 65.5 ± 14.4 | 61.9 ± 15.2 |
Median (range) | 67 (22–83) | 66 (22–83) |
Polyp characteristics | ||
Polyps in the distal colorectum (n = 121) | Polyps in the rectosigmoid (n = 79) | |
Location, n (%) | ||
Descending colon | 42 (34.7) | |
Sigmoid | 32 (26.5) | 32 (40.5) |
Rectum | 47 (38.8) | 47 (59.5) |
Histology, n (%) | ||
Adenoma | 57 (47.1) | 29 (36.7) |
Tubular | 46 (38) | 27 (34.2) |
Tubulovillous | 7 (5.8) | 2 (2.5) |
SSA | 4 (3.3) | 0 (0) |
Hyperplastic | 63 (52.1) | 50 (63.3) |
Other (Leiomyoma) | 1 (0.8) | |
Size, n (%) | ||
≤ 3 mm | 75 (62) | 54 (68.4) |
4–5 mm | 46 (38) | 25 (31.6) |
median (mean), mm | 3 (3.3) | 3 (3.2) |