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Table 2 Diagnostic delay before referral and before diagnosis in 136 children with inflammatory bowel disease (IBD), further divided into Crohn’s disease (CD), ulcerative colitis (UC), and IBD unclassified (IBDU)

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

Delay

All IBD (n = 136)

CD (n = 48)

UC (n = 79)

IBDU (n = 9)

Before referral

 Median (quartiles), months

3.3 (1.0, 7.0)

5.0 (2.3, 11.5)

3.0 (1.0, 6.0)

2.0 (2.0, 13.0)

 ≥ 6 months, %

37.5

47.7

30.7

44.4

 ≥ 12 months, %

18.0

25.0

13.3

22.2

Before diagnosis

 Median (quartiles), months

5.0 (2.5, 9.3)

6.6 (3.5, 12.6)1

4.1 (2.0, 8.0)

9.8 (2.6, 21.0)

 ≥ 6 months, %

45.6

54.2

39.2

55.6

 ≥ 12 months, %

19.9

27.1

13.9

33.3

  1. 1P = 0.01 compared with UC. There were no other statistically significant differences between the groups