Pediatric Crohn’s Disease Activity Index (PCDAI)
Stratifies severity of Crohn’s disease in pediatric patients.
INSTRUCTIONS
Use in patients ≤19 years old.
When to Use
Pearls/Pitfalls
Why Use
History: Based on recall from the previous week
None
0Mild: Does not interfere with activities
+5Moderate/Severe: Daily, longer lasting, affects activities, nocturnal
+100–1 liquid stools, no blood
02-5 liquid or ≤2 semi-formed with small blood
+5≥6 liquid, gross blood, or nocturnal diarrhea
+10Well (no limitation of activities)
0Below par (occasional difficulty in maintaining age-appropriate activities)
+5Very poor (frequent limitation of activity)
+10Examination
Weight gain, weight voluntarily stable, or voluntary weight loss
0Weight involuntarily stable or weight loss 1–9%
+5Weight loss ≥10%
+10<1 channel decrease (or height velocity ≥ -1SD)
0Channel decrease ≥1 and <2 (or height velocity <-1SD and >-2SD)
+5≥2 channel decrease (or height velocity ≤-2SD)
+10No tenderness, no mass
0Tenderness, or mass without tenderness
+5Tenderness, involuntary guarding, or definite mass
+10None or asymptomatic tags
01–2 indolent fistulae, scant drainage, and no tenderness
+5Active fistula, drainage, tenderness, or abscess
+10None
01
+5≥2
+10Laboratory
Male
Female
years
%
mm/hr
g/dL
Result:
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