Pediatric ulcerative colitis activity index

Item	Points
Abdominal pain
No pain	0
Pain can be ignored	5
Pain cannot be ignored	10
Rectal bleeding
None	0
Small amount only, in <50% of stools	10
Small amount with most stools	20
Large amount (>50% of the stool content)	30
Stool consistency of most stools
Formed	0
Partially formed	5
Completely unformed	10
Number of stools per 24 hours
0 to 2	0
3 to 5	5
6 to 8	10
>8	15
Nocturnal stools (any episode causing wakening)
No	0
Yes	10
Activity level
No limitation of activity	0
Occasional limitation of activity	5
Severe restricted activity	10
Sum of PUCAI (0 to 85)

PUCAI scores are interpreted as follows:

0 to 9 – Remission
10 to 34 – Mild disease
35 to 64 – Moderate disease
65 to 85 – Severe disease

PUCAI: pediatric ulcerative colitis activity index.

Reproduced with permission from: Turner, D, Otley, AR, Mack, D, et al. Development, validation, and evaluation of a pediatric ulcerative colitis activity index: A prospective multicenter study. Gastroenterology 2007; 133:423. Copyright ©2007 Elsevier.

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Pediatric ulcerative colitis activity index