According the previous survey, the prevalence of thrombocytopenia with insignificant FDP elevation or insignificant PT prolongation were as follow: 68 cases out of 500 patients who were diagnosed as having DIC (Japanese Association for Acute Medicine [JAAM] criteria) (13.6%) showed FDP level of less than 10 mg/mL, and 91 cases out of 500 JAAM-DIC patients (18.2%) showed PT ratio of less than 1.2. This evidence concerns the gene OTOR and Thrombocytopenia.