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Table 1 Representative clinical metadata types covered in CIDO. All listed examples are considered classes in the ontology

From: A comprehensive update on CIDO: the community-based coronavirus infectious disease ontology

Metadata types

Metadata Examples

person (NCBITaxon_9606)

person ID (OPMI_0000470), gender (PATO_0001894), year of birth (OPMI_0000473), race (NCIT_C17049), ethnicity (NCIT_C16564), care site (OPMI_0000479), geographic location (GAZ_00000448)

specimen (OBI_0100051)

specimen ID (OBI_0001616), date of specimen collection (OBIB_0000714), anatomical structure (UBERON_0000061)

visit occurrence (OPMI_0000482)

visit occurrence identifier (OPMI_0000483), visit start date (OPMI_0000487), visit end date (OPMI_0000488), preceding visit occurrence (OPMI_0000492), ER visit (OPMI_0000486)

procedure occurrence (OPMI_0000505)

procedure (NCIT_C25218), procedure start date (OPMI_0000508), procedure end date (OPMI_0000510), care provider (OPMI_0000163)

drug exposure (OPMI_0000572) and device exposure (OPMI_0000554)

drug (CIDO_0000167), drug exposure start time (OPMI_0000565), drug exposure end time (OPMI_0000567), medical device (NCIT_C16830), diagnostic kit (CIDO_0000453)

clinical measurement (CMO_0000000)

clinical measurement identifier (OPMI_0000582), care provider (OPMI_0000163), measurement time (OPMI_0000579), measurement unit label (IAO_0000003), measurement date (OPMI_0000580)

observation period (OPMI_0000575)

observation period start date (OPMI_0000577),

observation period end date (OPMI_0000578),

provenance of observation record (OPMI_0000522)