Maryam Razavi

maryam.razavi@cambio.se

@CambioCDS

To assist clinicians to diagnose appendicitis with lab values and clinical findings.

Use in patients (especially Asian populations) being evaluated for acute appendicitis. RIPASA score formula: Addition of selected criteria. Variables: - Demographic Information: -- Sex: Female=0.5, Male=1 -- Age: ≤40=1, >40= 0.5 -- Foreign national: No=0, Yes=1 - Symtoms: -- Right iliac fossa (RIF) pain: No=0, Yes=0.5 -- Pain migration to RIF: No=0, Yes=0.5 -- Anorexia: No=0, Yes=1 -- Nausea & vomiting: No=0, Yes=1 -- Duration of symptoms: ≤48 hrs=1, >48 hrs=0.5 - Signs: -- RIF tenderness: No=0, Yes=1 -- Guarding: No=0, Yes=2 -- Rebound tenderness: No=0, Yes=1 -- Rovsing sign: No=0, Yes=2 -- Temperature between 37°C and 39°C: No=0, Yes=2 - Labs: -- Elevated white blood cell count: No=0, Yes=1 -- Negative urine analysis (abscence of blood, WBCs, bacteria): No=0, Yes=1 Interpretation: The cutoff value of 7.5 points was 98% sensitive and 81% specific for diagnosis of appendicitis.

1. Chong CF, Adi MI, Thien A, Suyoi A, Mackie AJ, Tin AS, Tripathi S, Jaman NH, Tan KK, Kok KY, Mathew VV, Paw O, Chua HB, Yapp SK. Development of the RIPASA score: a new appendicitis scoring system for the diagnosis of acute appendicitis. Singapore Med J. 2010 Mar;51(3):220-5. 2. Butt MQ, Chatha SS, Ghumman AQ, Farooq M. RIPASA score: a new diagnostic score for diagnosis of acute appendicitis. J Coll Physicians Surg Pak. 2014 Dec;24(12):894-7. doi: 12.2014/JCPSP.894897. 3. Chong CF, Thien A, Mackie AJ, Tin AS, Tripathi S, Ahmad MA, Tan LT, Ang SH, Telisinghe PU. Comparison of RIPASA and Alvarado scores for the diagnosis of acute appendicitis. Singapore Med J. 2011 May;52(5):340-5.

OBSERVATION.ripasa_score.v0