N1 Sleep to Total Sleep Time Ratio Measurement

Preferred Label : N1 Sleep to Total Sleep Time Ratio Measurement;

NCIt related terms : N1SLPTST; N1 Sleep/Total Sleep Time;

NCIt definition : The determination of the ratio of N1 sleep time compared to total sleep time. The measurement may be expressed as a ratio or percentage.;

Alternative definition : CDISC: A relative measurement (percentage) of the N1 sleep time to total sleep time.;

NCI Metathesaurus CUI : CL935644;

Details

Origin ID

C156555;

UMLS CUI

C4744895;

Semantic type(s)
- Laboratory Procedure [UMLS semantic type]
concept_is_in_subset
- CDISC SDTM Nervous System Physiology Test Code Terminology [NCIt concept]
- CDISC SDTM Nervous System Physiology Test Name Terminology [NCIt concept]
- CDISC SDTM Terminology [NCIt concept]
- Clinical Data Interchange Standards Consortium Terminology [NCIt concept]

Keyword's position in hierarchy(ies) :

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