Pain Before Vomiting 96% Sensitive but Only 17% Specific in Appendicitis

Am J Emerg Med. 2021 Mar;41:84-89.
doi: 10.1016/j.ajem.2020.12.066. Epub 2020 Dec 28.
Is “pain before vomiting” useful?: Diagnostic performance of the classic patient history item in acute appendicitis
Toshihiko Takad et al

Comment – Finding pain before vomiting helps with the diagnosis but can miss 5/6 cases if absent.