Risk stratisfication score introducted by Maden Samuel in 2002.
The Pediatric Appendicitis Score had a sensitivity of 1, speciificity of 0.92, positive predictive value of 0.96, and negative predictive value of 0.99
Signs:
Right lower quadrant tenderness = 2 points
Cough/Percussion/Hop RLQ tenderness = 1 point
Pyrexia = 1 point
Symptoms:
RLQ migration of pain = 1 point
Anorexia = 1 point
Nausea/Vomiting = 1 point
Laboratory Values:
Leukocytosis = 2 points
Polymorphonuclear neutrophiia = 1 point
Scores of 4 or less are least likely to have acute appendicitis, while scores of 8 or more are most likely.
References
Pediatric Appendicits Score. Samuel, M. J Pedia Surg.37:877-888. 2002.
