Turner et al reported the Pediatric Ulcerative Colitis Activity Index (PUCAI) for evaluating a pediatric patient with ulcerative colitis. The authors are from multiple institutions in Canada and the United States.
Patient selection: pediatric patient with ulcerative colitis
Parameters:
(1) abdominal pain
(2) rectal bleeding
(3) stool consistency (majority of stools)
(4) number of stools per 24 hours
(5) nocturnal stools (any episode that causes wakening)
(6) physical activity level
Parameter
Finding
Points
abdominal pain
none
0
can be ignored
5
cannot be ignored
10
rectal bleeding
none
0
small amount (< 50% of stools)
10
small amount with most stools
20
large amount
30
stool consistency
formed
0
partially formed
5
completely unformed
10
number of stools per 24 h
0 to 2
0
3 to 5
5
6 to 8
10
> 8
15
nocturnal stools
no
0
yes
10
activity level
no limitation (unrestricted)
0
occasional limitation
5
severe restriction
10
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 85
• The higher the score the more active the disease.
Total Score
Activity
< 10 (0 to 5)
none
10 to 34
mild
35 to 64
moderate
65 to 85
severe
Performance:
• The area under the ROC curve varied with disease severity and ranged from 0.91 to 0.99.
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