Impact of diagnostic delay to the clinical presentation and associated factors in pediatric inflammatory bowel disease: a retrospective study

Table 1 Baseline characteristics of 136 children with IBD, further divided into CD, UC and IBDU

	All IBD n = 136	CD n = 48	UC n = 79	IBDU n = 9
	%	%	%	%
Demographic data
Age, median (range), year	12.4 (1.3, 16.6)	12.2 (1.5, 16.6)	12.7 (1.3, 16.4)	9.4 (3.4, 15.2)
Females	43.4	45.8	40.5	55.6
IBD in relatives	17.6	14.6	22.2	17.6
Laboratory values
Fecal calprotectin > 100 μg/g	88.2	79.4	92.5	100
Elevated¹ ESR and/or CRP	64.9	63.0	64.5	77.8
Anemia	57.1	44.7	63.6	57.1
Hypoalbuminemia	43.7²	40.7³	42.3⁴	62.5⁵
Symptoms
Abdominal pain	65.4	70.8	62.0	66.7
Blood in stool	62.5	37.5	77.2	66.7
Diarrhea	52.2	43.8	59.5	33.3
Poor growth	34.6	47.9	29.1	11.1
Constipation	9.6	14.6	7.6	0
Nausea or vomiting	8.8	10.4	7.6	11.1
Other⁶	55.1	58.3	54.4	44.4

IBD, inflammatory bowel disease; CD, Crohn’s disease; UC, ulcerative colitis; IBDU, inflammatory bowel disease undefined; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein. ¹ESR > 15 mm/h or CRP > 10 mg. Data was available from all patients in demographic data and symptoms, and in laboratory values from > 80% except in ²38, ³11, ⁴22 and ⁵5. ⁶E.g. tiredness, fever, oral symptoms, arthralgia

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