Table 3.
Causes of gastrointestinal bleeding in children in relation to age group
| Causes a |
Age group (yr)
|
Total, n (%) | P value b | ||
|
0-4, n = 58 (23.2)
|
5-9, n = 82 (32.8)
|
10-18, n = 107 (42.8)
|
|||
| Inflammatory bowel disease | 10 (17.2) | 27 (32.9) | 40 (37.4) | 77 (30.8) | 0.026 |
| Gastritis | 16 (27.6) | 23 (28) | 31 (29) | 70 (28) | 0.980 |
| Unclear cause (normal) | 3 (5.2) | 4 (4.9) | 17 (15.9) | 24 (9.6) | 0.017 |
| Gastroenteritis | 7 (12.1) | 9 (11) | 6 (5.6) | 22 (8.8) | 0.275 |
| Duodenal ulcer | 5 (8.6) | 4 (4.9) | 11 (10.3) | 20 (8) | 0.397 |
| Esophagitis | 4 (6.9) | 5 (6.1) | 6 (5.6) | 15 (6) | 0.947 |
| Rectal polyp | 6 (10.3) | 5 (6.1) | 4 (3.7) | 15 (6) | 0.237 |
| Anal fissure | 1 (1.7) | 5 (6.1) | 5 (4.7) | 11 (4.4) | 0.461 |
| Peptic ulcer | 4 (6.9) | 4 (4.9) | 1 (0.9) | 9 (3.6) | 0.114 |
| Colonic ulcers | 2 (3.4) | 5 (6.1) | 2 (1.9) | 9 (3.6) | 0.305 |
| Rectal ulcer | 0 (0) | 2 (2.4) | 7 (6.5) | 9 (3.6) | 0.078 |
| Intestinal nodular lymphoid hyperplasia | 4 (6.9) | 4 (4.9) | 0 (0) | 8 (3.2) | 0.034 |
| Foreign body ingestion | 6 (10.3) | 1 (1.2) | 0 (0) | 7 (2.8) | < 0.0001 |
| Esophageal varices | 4 (6.9) | 0 (0) | 2 (1.9) | 6 (2.4) | 0.029 |
| Esophageal ulcer | 2 (3.4) | 1 (1.2) | 2 (1.9) | 5 (2) | 0.646 |
| Meckel’s diverticulum | 1 (1.7) | 2 (2.4) | 1 (0.9) | 4 (1.6) | 0.717 |
| Mallory Weiss syndrome | 1 (1.7) | 2 (2.4) | 0 (0) | 3 (1.2) | 0.291 |
| Hemorrhoids | 1 (1.7) | 0 (0) | 1 (0.9) | 2 (0.8) | 0.524 |
| Duodenal varices | 1 (1.7) | 0 (0) | 0 (0) | 1 (0.4) | 0.195 |
| Colonic angiodysplasia | 0 (0) | 0 (0) | 1 (0.9) | 1 (0.4) | 0.518 |
| CMPA | 1 (1.7) | 0 (0) | 0 (0) | 1 (0.4) | 0.195 |
a
Some patients may have more than one cause.
b
Pearson χ2. Data are presented as number and percentage. P value < 0.05 was considered statistically significant. CMPA: cow’s milk protein allergy.