1 that was diffusely tender on palpation, with rebound tenderness in the right lower quadrant.

2 sign (likelihood ratio [LR] range, 5.6-9.9), rebound tenderness (LR, 6.5; 95% CI, 1.8-24), hypotensio

3 upper quadrant and epigastric region, but no rebound tenderness or guarding.

4 itis is suspected and evaluation undertaken, rebound tenderness triples the odds of appendicitis (sum