H. pylori antibody 0 means that there is no H. pylori in the body. Antibodies are produced by the bacteria after self-defense when they invade the body, so antibody 0 means that the body has not been infected with H. pylori.
H. pylori infection is an important cause of chronic gastritis, peptic ulcer, and stomach cancer. Therefore, gastric diseases associated with H. pylori infection need to be actively treated with H. pylori eradication.
Antibody testing can be used to determine if there is a history of infection, while a breath test can be used to determine if there is an existing infection, with a high rate of efficiency and positivity, usually a carbon 13 or carbon 14 breath test.
Of course, the H. pylori antibody test can be used as a screening program, but the most intuitive way to diagnose and determine the disease is endoscopy and pathology.