directive information entity inclusion criterion criteria for enrollment and recruitment procedures population data Adapted from Clinical Research Glossary Version 4.0 CDICS glossary group PMID: 23979341-The major inclusion criterion was patients in whom severe cerebral embolism was diagnosed at age 75 or younger (more than 9 in the NIHSS score on day 7 after the onset of stroke) . an inclusion criterion (rule) is_a *eligibility criterion* which defines and states a condition which, if met, makes an entity suitable for a given task or participation in a given process. For instance, in a study protocol, inclusion criteria indicate the conditions that prospective subjects MUST meet to be eligible for participation in a study. inclusion condition inclusion rule