Non-inflammatory bowel disease diagnoses (n=75)
| Diagnosis | n (%) | Faecal calprotectin ≥50 µg/g (n) |
|---|---|---|
| Infectious diseases | 13 (17) | |
| Viral gastroenteritis | 2 | 0 |
| Bacterial gastroenteritis (Yersinia, Campylobacter and Salmonella) | 7 | 6 |
| Parasites (Blastocystis, Giardia, Entamoeba coli, Enterobius) | 4 | 2 |
| Nutrition-related diarrhoea | 2 (3) | |
| Toddler diarrhoea | 2 | 0 |
| Miscellaneous gastrointestinal diseases | 18 (24) | |
| Constipation | 9 | 0 |
| Helicobacter pylori gastritis | 1 | 0 |
| Meckel's diverticulum | 1 | 0 |
| Solitary rectal ulcer | 1 | 0 |
| Spontaneous reduction of invagination | 1 | 0 |
| Eosinophilic gastroenteritis | 1 | 1 |
| Haemorrhoids | 1 | 0 |
| Physical activity induced intestinal ischemia | 1 | 1 |
| Superior mesenteric artery syndrome | 1 | 0 |
| Celiac disease | 1 | 0 |
| Non-organic gastrointestinal diseases | 34 (45) | |
| Functional abdominal pain | 32 | 7 |
| Anorexia nervosa | 2 | 0 |
| Other | 1 (0.1) | |
| Juvenile dermatomyositis | 1 | 1 |
| Spontaneous recovery, no definite diagnosis | 7 (9) | 2 |