Table 2

Paediatric Ulcerative Colitis Activity Index7: Score 0–85

Severe >65, moderate 35–64, mild 10–34, remission <10
Clinical response is defined as decrease in PUCAI by ≥20 points18
1 Abdominal pain
 No pain0
 Pain can be ignored5
 Pain cannot be ignored10
2 Rectal bleeding
 Small amount, in <50% of stools10
 Small amount in most stools20
 Large amount (>50% of the stool content)
3 Stool consistency
 Partially formed5
 Completely unformed10
4 Number of stools per 24 h
5 Nocturnal stools (any episode causing wakening)
6 Activity level
 No limitation of activity0
 Occasional limitation of activity5
 Severe restricted activity10