Phenopackets - Age
The age of a subject (e.g. of a patient at the time of diagnosis) can be described using the ISO8601 "duration" concept.
Other formats can be used to anotate "age groups" or ranges, e.g. through the use of start and end age values or through the use of an ontology class.
$schema: https://json-schema.org/draft/2020-12/schema title: Age description: 'Age value definition' type: object properties: iso8601duration: description: Represents age as a ISO8601 duration (e.g., P40Y10M05D). type: string example: P32Y6M1D