Clinical variable	Alvarado (MANTRELS) score*	Pediatric Appendicitis Score†
Migration of pain	1	1
Anorexia	1	1
Nausea/vomiting	1	1
Tenderness in right lower quadrant	2	2
Rebound pain	1	—
Elevation in temperature (≥ 100.4°F [38.0°C])	1	1
Leukocytosis > 10,000 per mm3 (10.00 × 109 per L)	2	1
Shift to the left of white blood cell count (> 75% polymorphonucleocytes)	1	1
Cough/percussion/hopping causes pain in the right lower quadrant	—	2