Table 2

Non-inflammatory bowel disease diagnoses (n=75)

Diagnosisn (%)Faecal calprotectin ≥50 µg/g (n)
Infectious diseases13 (17)
Viral gastroenteritis20
Bacterial gastroenteritis (Yersinia, Campylobacter and Salmonella)76
Parasites (Blastocystis, Giardia, Entamoeba coli, Enterobius)42
Nutrition-related diarrhoea2 (3)
Toddler diarrhoea20
Miscellaneous gastrointestinal diseases18 (24)
Constipation90
Helicobacter pylori gastritis10
Meckel's diverticulum10
Solitary rectal ulcer10
Spontaneous reduction of invagination10
Eosinophilic gastroenteritis11
Haemorrhoids10
Physical activity induced intestinal ischemia11
Superior mesenteric artery syndrome10
Celiac disease10
Non-organic gastrointestinal diseases34 (45)
Functional abdominal pain327
Anorexia nervosa20
Other1 (0.1)
Juvenile dermatomyositis11
Spontaneous recovery, no definite diagnosis7 (9)2