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RIPASA Score

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RIPASA Score, Raja Isteri Pengiran Anak Saleha Appendicitis Score

  • See Also
  1. Acute Appendicitis
  2. Alvarado Score
  3. Pediatric Appendicitis Lab Score
  4. Pediatric Appendicitis Score
  5. Appendicitis Inflammatory Response Score
  • Criteria
  1. Age
    1. Score 1.0: Age <=40 years
    2. Score 0.5: Age >40 years
  2. Gender
    1. Score 1.0: Male
    2. Score 0.5: Female
  3. Duration
    1. Score 1.0: <=48 hours
    2. Score 0.5: >48 hours
  4. Symptoms
    1. Score 1: Anorexia
    2. Score 1: Nausea or Vomiting
    3. Score 0.5: Pain migration
    4. Score 0.5: Right Lower Quadrant Abdominal Pain
  5. Signs
    1. Score 1: Fever
    2. Score 2: Abdominal guarding
    3. Score 1: Abdominal Rebound Pain
    4. Score 1: Right lower quadrant abdominal tenderness
    5. Score 2: Rosving Sign
  6. Labs
    1. Score 1: Leukocytosis (WBC >10k/uL)
    2. Score 1: Negative Urinalysis
  • Interpretation
  1. Score >=7.5 (positive cutoff) suggests higher likelihood of Acute Appendicitis
  • Efficacy
  1. Validated in heterogeneous population in the middle east and asia
  2. Test Sensitivity: 93%
  3. Test Specificity: 81%
  4. Positive Likelihood Ratio: 4.90
  5. Negative Likelihood Ratio: 0.086
  • References
  1. Chong (2010) Singapore Med J 51(3):220-5. PMID: 20428744 [PubMed]
  2. Mumtaz (2022) Ann Med Surg 80:104174 +PMID: 36045852 [PubMed]
  3. Pyzocha (2026) Am Fam Physician 113(6): 591-2 [PubMed]