Paediatric Ulcerative Colitis Activity Index (PUCAI)8
| Item | Points |
|---|---|
| (1) Abdominal pain | |
| No pain | 0 |
| Pain can be ignored | 5 |
| Pain cannot be ignored | 10 |
| (2) Rectal bleeding | |
| None | 0 |
| Small amount only, in <50% of stools | 10 |
| Small amount with most stools | 20 |
| Large amount (>50% of stool content) | 30 |
| (3) Stool consistency of most stools | |
| Formed | 0 |
| Partially formed | 5 |
| Completely unformed | 10 |
| (4) Number of stools per 24 h | |
| 0–2 | 0 |
| 3–5 | 5 |
| 6–8 | 10 |
| >8 | 15 |
| (5) Nocturnal stools (any episode causing wakening) | |
| No | 0 |
| Yes | 10 |
| (6) Activity level | |
| No limitation of activity | 0 |
| Occasional limitation of activity | 5 |
| Severely restricted activity | 10 |
| PUCAI total (0–85) | |
PUCAI score <10, remission; 10–34, mild; 35–64, moderate; ≥65, severe.