documentation:vocabulary:ppi
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documentation:vocabulary:ppi [2020/01/08 14:30] ptalapova [Internal PPI relationships] |
documentation:vocabulary:ppi [2024/09/25 08:40] (current) jcruz Depreciation of page and posting of corresponding link in Github wiki |
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| ====== PPI (Participant Provided Information) ====== | ====== PPI (Participant Provided Information) ====== | ||
| - | PPI is a coding system for questionnaires and self-completed surveys, that is provided by the All of Us Research Program. | + | Thank you for visiting the wiki! This page has moved to https://github.com/OHDSI/Vocabulary-v5.0/wiki/Vocab.-PPI. |
| - | + | ||
| - | ===== Source ===== | + | |
| - | + | ||
| - | All PPI information is manually obtained from the All of Us PPI Codebook. | + | |
| - | + | ||
| - | ===== Layout ===== | + | |
| - | + | ||
| - | PPI Questionnaire layout consists of Modules, Topics, Questions, and Answers. | + | |
| - | + | ||
| - | ^ PPI source type value ^ Description ^ | + | |
| - | | Module | A superior PPI entity representing a thematic set of topics, questions, and answers. \\ Currently, the following Modules are available: \\ 1) Consent PII\\ 2) Refresher Consent\\ 3) EHR Consent PII\\ 4) Family History\\ 5) Personal Medical History\\ 6) Healthcare Access & Utilization\\ 7) Lifestyle\\ 8) Overall Health\\ 9) The Basics\\ 10 PMI | | + | |
| - | | Topic | A semantic module section containing a thematic set of questions or answers | | + | |
| - | | Question | A multiple-choice or open-ended question requesting information | | + | |
| - | | Answer | An answer representing a defined statement or free text | | + | |
| - | + | ||
| - | ===== Concept Names ===== | + | |
| - | + | ||
| - | PPI source names are represented in a “display” field. However, to avoid concept name duplicates, modified PPI names have been made through the parsing of their source codes (values of a “pmi_code” field). Original “display” values were put into the CONCEPT_SYNONYM table. | + | |
| - | + | ||
| - | ===== Standard concept ===== | + | |
| - | + | ||
| - | If a PPI concept has a standard LOINC or SNOMED equivalent, it is considered to be Non-standard. | + | |
| - | If a PPI concept does not have a standard LOINC or SNOMED equivalent, it is considered to be Standard. | + | |
| - | + | ||
| - | ===== Domains and Concept Classes ===== | + | |
| - | + | ||
| - | ^ PPI source type value ^ Concept Class ^ Domain ^ | + | |
| - | | Module | Module | Observation | | + | |
| - | | Topic | Topic | Observation | | + | |
| - | | Question | Question | Observation | | + | |
| - | | Answer | Answer | Observation | | + | |
| - | | Protocol modification | PPI Modifier | Observation | | + | |
| - | | Physical measurement | Clinical Observation | Measurement | | + | |
| - | + | ||
| - | ===== Internal PPI relationships ===== | + | |
| - | + | ||
| - | A purpose of Internal PPI relationships is to build a PPI Hierarchy, which makes it easier to understand the relations between PPI concepts of different types. | + | |
| - | + | ||
| - | ^ Relationship ^ From ^ To ^ Reverse Relationship ^ | + | |
| - | | PPI parent code of | PPI Module | - Respective PPI Topic\\ - Respective PPI Question\\ - Respective PPI Answer | Has PPI parent code | | + | |
| - | | ::: | PPI Topic | - Respective PPI Topic\\ - Respective PPI Question\\ - Respective PPI Answer | ::: | | + | |
| - | | ::: | PPI Question | - Respective PPI Topic\\ - Respective PPI Question\\ - Respective PPI Answer | ::: | | + | |
| - | | ::: | PPI Answer | - Respective PPI Question OR Topic | ::: | | + | |
| - | | Answer of (PPI) | PPI Answer | - Respective Standard PPI Question\\ - Respective Standard LOINC/SNOMED equivalent of a Non-standard PPI Question | Has answer (PPI) | | + | |
| - | ===== External PPI relationships ===== | + | |
| - | + | ||
| - | A purpose of Internal of External PPI relationships is the following: | + | |
| - | * to build PPI-LOINC-SNOMED hierarchical crosswalks based on the Internal PPI Hierarchy. | + | |
| - | * to simplify s cross-analysis of patient-related information with a context of combined use of the PPI and such a coding system as either the LOINC or SNOMED. | + | |
| - | + | ||
| - | ===== Hierarchical crosswalks ===== | + | |
| - | + | ||
| - | The PPI Hierarchical crosswalks include only standard concepts. A PPI standard concept value depends on the existence of an equivalent mapping either to the SNOMED or LOINC. In turn, a standard SNOMED/LOINC equivalent, if present, takes place of a non-standard PPI concept in the Internal PPI Hierarchy and adopts all its ancestors and descendants. | + | |
documentation/vocabulary/ppi.1578493818.txt.gz · Last modified: 2020/01/08 14:30 by ptalapova
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