Table 3.
Colonoscopy Findings
| Total patients (n=222) | Gender | Ethnicity | Age | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|||||||||
| Female (n=122) | Male (n=100) | p-value | African American (n=37) | Hispanics (n=141) | White* (n=43) | p-value | <60 (n=152) | ≥60 (n=70) | p-value | ||
| Patients with polyps | 47 (21.2) | 20 (16.4) | 27 (27.0) | 0.054 | 14 (37.8) | 26 (18.4) | 7 (16.3) | 0.053 | 30 (19.7) | 17 (24.3) | 0.441 |
| Type of polyp | |||||||||||
| Adenoma | 31 (14.0) | 14 (11.5) | 17 (17.0) | 0.368 | 9 (24.3) | 17 (12.1) | 5 (11.6) | 0.734 | 19 (12.5) | 12 (17.1) | 0.714 |
| Hyperplastic | 6 (2.7) | 2 (1.6) | 4 (4.0) | 2 (5.4) | 3 (2.1) | 1 (2.3) | 5 (3.3) | 1 (1.4) | |||
| Other | 10 (4.5) | 4 (3.3) | 6 (6.0) | 3 (8.1) | 6 (4.3) | 1 (2.3) | 6 (3.9) | 4 (5.7) | |||
| Adenoma location | |||||||||||
| Proximal | 15 (6.8) | 6 (4.9) | 9 (9.0) | 0.426 | 4 (10.8) | 10 (7.1) | 1 (2.3) | 0.568 | 9 (5.9) | 6 (8.6) | 0.421 |
| Distal | 15 (6.8) | 7 (5.7) | 8 (8.0) | 5 (13.5) | 6 (4.3) | 4 (9.3) | 10 (6.6) | 5 (7.1) | |||
| Proximal and distal | 1 (0.5) | 1 (0.8) | 0 | 0 | 1 (0.7) | 0 | 0 | 1 (1.4) | |||
| Adenoma multiplicity | |||||||||||
| 1 adenoma | 28 (12.6) | 12 (9.8) | 16 (16.0) | 0.365 | 8 (21.6) | 16 (11.3) | 4 (9.3) | 0.560 | 17 (11.2) | 11 (15.7) | 0.636 |
| >1 adenoma | 3 (1.4) | 2 (1.6) | 1 (1.0) | 1 (2.7) | 1 (0.7) | 1 (2.3) | 2 (1.3) | 1 (1.4) | |||
| Adenoma histology | |||||||||||
| Tubular | 26 (11.7) | 10 (8.2) | 16 (16.0) | 0.115 | 6 (16.2) | 15 (10.6) | 5 (11.6) | 0.202 | 16 (10.5) | 10 (14.3) | 0.649 |
| Tubulovillous | 5 (2.3) | 4 (3.3) | 1 (1.0) | 3 (8.1) | 2 (1.4) | 0 | 3 (2.0) | 2 (2.9) | |||
| Adenoma degree of dysplasia | |||||||||||
| Low-grade | 29 (13.1) | 13 (10.7) | 16 (16.0) | 0.493 | 9 (24.3) | 16 (11.3) | 4 (9.3) | 0.375 | 19 (12.5) | 10 (14.3) | 0.101 |
| High-grade | 2 (0.9) | 1 (0.8) | 1 (1.0) | 0 | 1 (0.7) | 1 (2.3) | 0 | 2 (2.9) | |||
| Adenoma size, cm | |||||||||||
| ≤0.5 | 13 (5.9) | 4 (3.3) | 9 (9.0) | 0.408 | 2 (5.4) | 8 (5.7) | 3 (7.0) | 0.732 | 9 (5.9) | 4 (5.7) | 0.444 |
| 0.6–0.9 | 10 (4.5) | 6 (4.9) | 4 (4.0) | 4 (10.8) | 4 (2.8) | 2 (4.7) | 7 (4.6) | 3 (4.3) | |||
| 1.0–1.9 | 5 (2.3) | 2 (1.6) | 3 (3.0) | 2 (5.4) | 3 (2.1) | 0 | 2 (1.3) | 3 (4.3) | |||
| ≥2.0 | 3 (1.4) | 2 (1.6) | 1 (1.0) | 1 (2.7) | 2 (1.4) | 0 | 1 (0.7) | 2 (2.9) | |||
| Advanced adenoma† | 10 (4.5) | 5 (4.1) | 5 (5.0) | 0.747 | 4 (10.8) | 5 (3.5) | 1 (2.3) | 0.236 | 4 (2.6) | 6 (8.6) | 0.047 |
| Advanced adenoma location | |||||||||||
| Proximal | 4 (1.8) | 1 (0.8) | 3 (3.0) | 0.409 | 1 (2.7) | 3 (2.1) | 0 | 0.407 | 1 (0.7) | 3 (4.3) | 0.099 |
| Distal | 6 (2.7) | 4 (3.3) | 2 (2.0) | 3 (8.1) | 2 (1.4) | 1 (2.3) | 3 (2.0) | 3 (4.3) | |||
Data are presented as number (%).
*
The one patient with ethnicity listed as “Other” had a normal colonoscopy and is not listed separately in this table;
†
Advanced adenoma defined as an adenoma ≥1 cm in diameter or any adenoma (regardless of size) with villous histology, high-grade dysplasia, or cancer.