Create SNOMED Cohort Template Definition

Template cohort definition for all OHDSI standard conditions. The cohortId = conceptId * 1000. The "identifierExpression" can be customized for uniqueness. This definition uses any valid SNOMED condition code and all its descendants.

Excluded terms include word patterns:

' '

Cohorts are first event.

Usage

createSnomedCohortTemplateDefinition(
  connection,
  identifierExpression = "CAST(concept_id as bigint) * 1000",
  cdmDatabaseSchema,
  tempEmulationSchema = getOption("sqlRenderTempEmulationSchema"),
  priorObservationPeriod = 365,
  requireSecondDiagnosis = FALSE,
  nameSuffix = "",
  vocabularyDatabaseSchema = cdmDatabaseSchema
)

Arguments

connection

Database connection object

identifierExpression

An expression for setting the cohort id for the resulting cohort. Must produce unique ids

cdmDatabaseSchema

CDM database schema

tempEmulationSchema

Temporary emulation schema

priorObservationPeriod

(optional) Required prior observation period for individuals

requireSecondDiagnosis

(optional) Require more than one diagnosis code

nameSuffix

A name suffix to use to add to the cohort names - this is useful if you're using multiple parameterized versions of this definition

vocabularyDatabaseSchema

Vocabulary database schema

Value

A CohortTemplateDefinition instance