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Appendicitis Inflammatory Response Score
Aka: Appendicitis Inflammatory Response Score
- Criteria
- Score 1: Vomiting
- Score 1: Right iliac fossa pain
- Score 1: Rebound Pain light
- Score 2: Rebound Pain medium
- Score 3: Rebound Pain strong
- Score 1: Temperature >=38.5 C (101.3 F)
- Score 1: Leukocytosis 10k to 15k
- Score 2: Leukocytosis >=15k
- Score 1: Neutrophils 70 to 84%
- Score 2: Neutrophils >84%
- Score 1: CRP 10 to 49 g/L
- Score 2: CRP >49 g/L
- Interpretation: Children (out of 12 total possible points)
- Score <4
- Low Risk
- Positive Likelihood Ratio: 0.13
- Appendicitis probability: 6%
- Score 4 to 7
- Moderate Risk
- Positive Likelihood Ratio: 0.7
- Appendicitis probability: 26%
- Score >7
- High Risk
- Positive Likelihood Ratio: 8.1
- Appendicitis probability: 80%
- References
- Scott (2015) Br J Surg 102(5): 563-72 [PubMed]
- Pogorelic (2015) Pediatr Emerg Care 31(3): 164-8 [PubMed]