Mikaere et al reported the APPEND score for evaluating a patient for acute appendicitis. The authors are from Middlemore Hospital in New Zealand.
Patient selection: age >= 15 years with right iliac fossa pain <= 7 days
Parameters:
(A) anorexia
(P) migratory pain
(P) local peritonism
(E) elevated serum CRP (> 15 mg/L)
(N) neutrophilia (absolute neutrophil count > 7,500 per µL)
(D) dude (male gender)
Interpretation:
• minimum number of parameters present: 0
• maximum number of parameters present: 6
Score
Risk of Appendicitis
Management
0 or 1
low
discharge if no other cause found
2 to 4
intermediate
observe
5 or 6
high
take to surgery
Performance:
• The area under the ROC curve is 0.84.
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Specialty: Gastroenterology
