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NOTE_NLP table
This table was added with version 5.2 (1-Feb-2017) of the OMOP CDM.
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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. |
| 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. |
| 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 | string(250) | A small window of text surrounding the term. |
| character_offset | No | string(50) | Character offset of the extracted term in the input note. |
| lexical_variant | Yes | string(250) | Raw text extracted by the NLP tool. |
| nlp_system | No | string(250) | Name and 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 | string(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 | string(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 | string(50) | An optional time expression associated with the extracted term. |
| term_modifiers | No | string(25) | A compact description of all the modifiers extracted by the NLP system. |
documentation/cdm/note_nlp.1489724278.txt.gz · Last modified: 2017/03/17 04:17 by rimma_belenkaya
