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The NOTE table encodes all output of NLP on clinical notes. Each row represents a single extracted term from a note.
Field | Required | Type | Description |
---|---|---|---|
note_nlp_id | Yes | integer | A unique identifier for each term extracted from a note. |
note_id | Yes | integer | A foreign key to the Note table note the term was extracted from. |
section_concept_id | No | integer | A foreign key to the predefined Concept in the Standardized Vocabularies representing the section of the extracted term. |
snippet | No | varchar(250) | A small window of text surrounding the term. |
chars | No | varchar(50) | Character offset of the extracted term in the input note. |
lexical_variant | Yes | varchar(250) | Raw text extracted from the NLP tool. |
note_nlp_concept_id | No | integer | A foreign key to the predefined Concept in the Standardized Vocabularies reflecting the normalized concept for the extracted term. Domain of the term is represented as part of the Concept table. |
nlp_system | No | varchar(250) | A name and a version of the NLP system that extracted the term. |
nlp_date | Yes | date | The date of the note processing. |
nlp_date_time | No | datetime | The date and time of the note processing. |
term_exists | No | varchar(1) | A summary modifier that signifies presence or absence of the term for a given patient. |
note_type_concept_id | Yes | integer | A foreign key to the predefined Concept in the Standardized Vocabularies reflecting the type, origin or provenance of the Note. |
value_as_concept_id | No | integer | A foreign key to the predefined Concept in the Standardized Vocabularies describing optional qualitative value for the term. |
value_as_number | No | float | A numeric value describing optional quantitative value for the term. |
value _as_string | No | varchar(60) | A string describing optional qualitative value for the term. |
unit_concept_id | No | integer | A foreign key to the predefined Concept in the Standardized Vocabularies reflecting an optional unit of of the extracted term value. |
term_temporal | No | varchar(50) | An optional time expression associated with the extracted term. |
term_modifiers | No | varchar(25) | A compact description of all the modifiers extracted by the NLP system. |