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Table 1 Clinical scoring of children with Henoch–Schönlein purpura [8, 9]

From: Fecal calprotectin as a marker of gastrointestinal involvement in pediatric Henoch–Schönlein purpura patients: a retrospective analysis

Organ involvement

Clinical score

Joint

0 = no symptoms

1 = mild grade of pain and/or joint swelling

2 = moderate grade of pain and/or joint swelling

3 = severe grade of pain and/or joint swelling

Abdomen

0 = no symptoms

1 = mild abdominal pain and/or stool occult blood (1+)

2 = moderate abdominal pain and/or stool occult blood (2+/3+)

3 = severe abdominal pain and/or melena

Kidney

0 = no proteinuria and no hematuria

1 = proteinuria (1+) and/or hematuria (1+)

2 = proteinuria (2+/3+) and/or hematuria (2+/3+)

3 = proteinuria (>  3+) and/or hematuria (>  3+)