|
Variable
|
Value
|
|
Age (mean±SD, months)
|
71.9±58.4 |
| Neonates (%) |
1 (0.3%) |
| Infants (%) |
58 (15.9%) |
| Children (%) |
231 (63.7%) |
| Adolescents (%) |
73 (20.1%) |
|
Sex
|
|
| Boys (%) |
215 (59.2%) |
| Girls (%) |
148 (40.8%) |
|
Presenting symptoms
|
|
| Hematochezia (%) |
291 (80.2%) |
| Bloody diarrhea (%) |
66 (18.1%) |
| Positive occult blood (%) |
6 (1.7%) |
|
Colonoscopy findings
|
|
| Sigmoid colon polyps (%) |
91 (25.1%) |
| Descending colon petechia (%) |
78 (21.5%) |
| Rectal whitish lesions (%) |
45 (12.4%) |
| Sigmoid and rectal ulcers (%) |
37 (10.2%) |
| Rectal erythematosus lesions (%) |
33 (9.1%) |
| Rectal and sigmoid erosions (%) |
22 (6.1%) |
| Normal mucosa (%) |
17 (4.7%) |
| Diffuse nodularity with edema (%) |
13 (3.6%) |
| Loss of vascular markings and mucosal frangibility (%) |
10 (2.8%) |
| Aphthous mucosal lesions (%) |
7 (1.9%) |
| Diffuse colitis with pseudopolyp (%) |
5 (1.4%) |
| Anal fissure (%) |
3 (0.8%) |
| Hemorrhoidal tag (%) |
2 (0.4%) |
|
Pathology findings
|
|
| Non-specific (%) |
96 (26.4%) |
| Juvenile polyp (%) |
84 (23.1%) |
| Lymphoid nodular hyperplasia (%) |
66 (18.2%) |
| Solitary rectal ulcers (%) |
25 (6.9%) |
| Ulcerative colitis (%) |
21 (5.8%) |
| Normal |
18 (5.2%) |
| Crohn’s disease |
16 (4.4%) |
| Allergic colitis (%) |
7 (1.9%) |
| Pseudomembranous colitis (%) |
6 (1.7%) |
| Graft-versus-host disease (GVHD) (%) |
5 (1.4%) |
| Post-infection colitis |
5 (1.4%) |
| Proctitis |
5 (1.4%) |
| Drug-induced colitis (%) |
5 (1.4%) |
| Hemorrhoidal tag (%) |
2 (0.4%) |
| Post-transplant lymphoproliferative disorder (%) |
2 (0.4%) |
