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Study

Attribute: Study Deidentification Method Type

Valid Value Description Ontology
Manual Of or related to the hands; reference to a method, process, task, or activity being done by hand (as opposed as being performed with the assistance of automation or other supportive means).NCIT:C63513
Semiautomatic Of or related to a method or process performed using a combination of manual and automatic means. NCIT:C172484
Automatic Operating with minimal human intervention; independent of external control. NCIT:C70669
Not ApplicableDetermination of a value is not relevant in the current context. NCIT:C48660

Attribute: Study Index Date

Valid Value Description Ontology
Diagnosis Date The date on which a diagnosis of disease was made. NCIT:C164339
Enrollment DateThe date a subject is formally enrolled in a study.NCIT:C222473
Collection DateThe date on which the sample or data was collected.NCIT:C81286
Birth Date The calendar date on which a person was born. NCIT:C68615