> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# RiskEvidenceSynthesis

> The RiskEvidenceSynthesis resource describes the likelihood of an outcome in a population plus exposure state where the risk estimate is derived from a combination of research studies.

## Properties

| Name | Required | Type | Description |
| - | - | - | - |
| url | No | uri | Canonical identifier for this risk evidence synthesis, represented as a URI (globally unique) |
| identifier | No | [Identifier](/medical-api/fhir/data-types/identifier)\[] | Additional identifier for the risk evidence synthesis |
| version | No | string | Business version of the risk evidence synthesis |
| name | No | string | Name for this risk evidence synthesis (computer friendly) |
| title | No | string | Name for this risk evidence synthesis (human friendly) |
| status | Yes | code | draft / active / retired / unknown |
| date | No | dateTime | Date last changed |
| publisher | No | string | Name of the publisher (organization or individual) |
| contact | No | [ContactDetail](/medical-api/fhir/data-types/contactdetail)\[] | Contact details for the publisher |
| description | No | markdown | Natural language description of the risk evidence synthesis |
| note | No | [Annotation](/medical-api/fhir/data-types/annotation)\[] | Used for footnotes or explanatory notes |
| useContext | No | [UsageContext](/medical-api/fhir/data-types/usagecontext)\[] | The context that the content is intended to support |
| jurisdiction | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | Intended jurisdiction for risk evidence synthesis (if applicable) |
| copyright | No | markdown | Use and/or publishing restrictions |
| approvalDate | No | date | When the risk evidence synthesis was approved by publisher |
| lastReviewDate | No | date | When the risk evidence synthesis was last reviewed |
| effectivePeriod | No | [Period](/medical-api/fhir/data-types/period) | When the risk evidence synthesis is expected to be used |
| topic | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | The category of the EffectEvidenceSynthesis, such as Education, Treatment, Assessment, etc. |
| author | No | [ContactDetail](/medical-api/fhir/data-types/contactdetail)\[] | Who authored the content |
| editor | No | [ContactDetail](/medical-api/fhir/data-types/contactdetail)\[] | Who edited the content |
| reviewer | No | [ContactDetail](/medical-api/fhir/data-types/contactdetail)\[] | Who reviewed the content |
| endorser | No | [ContactDetail](/medical-api/fhir/data-types/contactdetail)\[] | Who endorsed the content |
| relatedArtifact | No | [RelatedArtifact](/medical-api/fhir/data-types/relatedartifact)\[] | Additional documentation, citations, etc. |
| synthesisType | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Type of synthesis |
| studyType | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Type of study |
| population | Yes | Reference\<[EvidenceVariable](/medical-api/fhir/resources/evidencevariable)> | What population? |
| exposure | No | Reference\<[EvidenceVariable](/medical-api/fhir/resources/evidencevariable)> | What exposure? |
| outcome | Yes | Reference\<[EvidenceVariable](/medical-api/fhir/resources/evidencevariable)> | What outcome? |
| sampleSize | No | RiskEvidenceSynthesisSampleSize | What sample size was involved? |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - description | No | string | Description of sample size |
| - numberOfStudies | No | integer | How many studies? |
| - numberOfParticipants | No | integer | How many participants? |
| riskEstimate | No | RiskEvidenceSynthesisRiskEstimate | What was the estimated risk |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - description | No | string | Description of risk estimate |
| - type | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Type of risk estimate |
| - value | No | decimal | Point estimate |
| - unitOfMeasure | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | What unit is the outcome described in? |
| - denominatorCount | No | integer | Sample size for group measured |
| - numeratorCount | No | integer | Number with the outcome |
| - precisionEstimate | No | RiskEvidenceSynthesisRiskEstimatePrecisionEstimate | How precise the estimate is |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Type of precision estimate |
| - level | No | decimal | Level of confidence interval |
| - from | No | decimal | Lower bound |
| - to | No | decimal | Upper bound |
| certainty | No | RiskEvidenceSynthesisCertainty | How certain is the risk |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - rating | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | Certainty rating |
| - note | No | [Annotation](/medical-api/fhir/data-types/annotation)\[] | Used for footnotes or explanatory notes |
| - certaintySubcomponent | No | RiskEvidenceSynthesisCertaintyCertaintySubcomponent | A component that contributes to the overall certainty |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - type | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Type of subcomponent of certainty rating |
| - rating | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept)\[] | Subcomponent certainty rating |
| - note | No | [Annotation](/medical-api/fhir/data-types/annotation)\[] | Used for footnotes or explanatory notes |

## Search Parameters

| Name | Type | Description | Expression |
| - | - | - | - |
| context | token | A use context assigned to the risk evidence synthesis | RiskEvidenceSynthesis.useContext.value |
| context-quantity | quantity | A quantity- or range-valued use context assigned to the risk evidence synthesis | RiskEvidenceSynthesis.useContext.value |
| context-type | token | A type of use context assigned to the risk evidence synthesis | RiskEvidenceSynthesis.useContext.code |
| date | date | The risk evidence synthesis publication date | RiskEvidenceSynthesis.date |
| description | string | The description of the risk evidence synthesis | RiskEvidenceSynthesis.description |
| effective | date | The time during which the risk evidence synthesis is intended to be in use | RiskEvidenceSynthesis.effectivePeriod |
| identifier | token | External identifier for the risk evidence synthesis | RiskEvidenceSynthesis.identifier |
| jurisdiction | token | Intended jurisdiction for the risk evidence synthesis | RiskEvidenceSynthesis.jurisdiction |
| name | string | Computationally friendly name of the risk evidence synthesis | RiskEvidenceSynthesis.name |
| publisher | string | Name of the publisher of the risk evidence synthesis | RiskEvidenceSynthesis.publisher |
| status | token | The current status of the risk evidence synthesis | RiskEvidenceSynthesis.status |
| title | string | The human-friendly name of the risk evidence synthesis | RiskEvidenceSynthesis.title |
| url | uri | The uri that identifies the risk evidence synthesis | RiskEvidenceSynthesis.url |
| version | token | The business version of the risk evidence synthesis | RiskEvidenceSynthesis.version |
| context-type-quantity | composite | A use context type and quantity- or range-based value assigned to the risk evidence synthesis | RiskEvidenceSynthesis.useContext |
| context-type-value | composite | A use context type and value assigned to the risk evidence synthesis | RiskEvidenceSynthesis.useContext |

## Inherited Properties

| Name | Required | Type | Description |
| - | - | - | - |
| id | No | string | Logical id of this artifact |
| meta | No | [Meta](/medical-api/fhir/data-types/meta) | Metadata about the resource |
| implicitRules | No | uri | A set of rules under which this content was created |
| language | No | code | Language of the resource content |
| text | No | [Narrative](/medical-api/fhir/data-types/narrative) | Text summary of the resource, for human interpretation |
| contained | No | Resource\[] | Contained, inline Resources |
| extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored |

To view the FHIR specification for this resource, see [RiskEvidenceSynthesis](https://www.hl7.org/fhir/StructureDefinition/RiskEvidenceSynthesis).