<prompt> Alvarado score is used in the diagnosis ofDiveiculitisLiver failureChronic hepatitisAcute appendicitis  <response>: The most widely used is the Alvarado score A score of 7 or more is strongly predictive of acute appendicitis. The Alvarado MANTRELS score Symptoms Score Migratory RIF pain 1 Anorexia 1 Nausea and vomiting 1 Signs Tenderness RIF 2 Rebound tenderness 1 Elevated temperature 1 Laboratory Leucocytosis 2 Shift to left 1 Total 10 Ref: Bailey Love;s Sho Practice of Surgery,E25,Page-1211 