Table 1 Sample Characteristics

Demographics

 Age in years (9–14)

–

12.23 (2.71)

–

 Sex

  Male

33.9 (19)

–

–

  Female

66.1 (37)

–

–

 Race/ethnicity

  Caucasian

89.3 (50)

–

–

  African American

3.6 (2)

–

–

  Asian American

3.6 (2)

–

–

  American Indian/Alaskan Native

1.8 (1)

–

–

  Hispanic/Latinx

1.8 (1)

–

–

Abdominal pain location

  Generalized

51.3 (28)

–

–

  Periumbilical

33.3 (19)

–

–

  Epigastric

10.3 (6)

–

–

  Right lower quadrant

2.6 (1)

–

–

  Left lower quadrant

2.6 (1)

–

–

FC^a

100.0 (56)

20.0 (71.44)

≥ 50 µg/g

Psychosocial risk factors (0–3)

 SCARED (0–82)

98.2 (55)

32.25 (18.73)

≥ 25

 FDI (0–60)

100.0 (56)

16.66 (9.58)

≥ 13

 NRS Pain (0–10)

100.0 (56)

4.24 (1.84)

≥ 4

Additional diagnostic work-up

 ESR^a

62.5 (35)

7.50 (8.12)

> 15.0 mm/h

 CRP^a

62.5 (35)

0.29 (0.69)

> 1.0 mg/dL

 Albumin

57.1 (32)

4.11 (0.43)

< 3.5 or > 5.5 gm/dL

 IgA

64.3 (36)

121.29 (56.37)

< 68.0 or > 378.0 mg/dL

 tTG-IgA

64.3 (36)

3.89 (1.43)

> 19 CU

 EGD

19.6 (11)

–

–

 Colonoscopy

21.4 (12)

–

–