Correlation of endoscopic disease severity with pediatric ulcerative colitis activity index score in children and young adults with ulcerative colitis

Table 4 Pediatric ulcerative colitis activity index data by component

Characteristic	mean ± SD or n (%)
Age at time of colonoscopy (yr)	15.7 (4.1)
Days between colonoscopy and PUCAI score	14.8 (10.6)
Method of PUCAI collection
Prospectively entered at time of clinic visit	27 (27)
Calculated from medical record	72 (73)
Abdominal pain
No pain	52 (53)
Present but ignored	36 (36)
Cannot be ignored	11 (11)
Rectal bleeding
None	49 (49)
Small amount, < 50%	20 (20)
Small amount, most	27 (27)
Large amount	3 (3)
Consistency
Formed	57 (58)
Partially formed	35 (35)
Completely unformed	7 (7)
Number of stools
0-2	61 (62)
3-5	21 (21)
6-8	11 (11)
> 8	6 (6)
Nocturnal stools	18 (18)
Activity limitation
No limitation	62 (63)
Occasional limitation	29 (29)
Severe restriction	8 (8)
Overall activity
Remission, 0-9	33 (33)
Mild, 10-34	39 (39)
Moderate, 35-64	23 (23)
Severe, > 64	4 (4)

PUCAI: Pediatric ulcerative colitis activity index.