Table 4.

Sample of common data elements (CDEs) taken from the core animal characteristics CDE chart

CDE Name	Variable name	Definition/description	Question text	Permissible value	Description of permissible value	Data type	Quantifier	Instructions
Core Animal Characteristics Animal tag, mark, or other identification Indicator	CoreCharTagMarkInd	Indicates whether or not there is an animal tag or mark or other identification used to identify the animal	Animal tag, mark, or other identification	Yes;no; unknown	Yes, there is an animal tag or mark or other identification; No, there is not an animal tag or mark or other identification; It is not known if there is an animal tag or mark or other identification	Alpha‐numeric	Yes/No/Unknown	Choose one: was there an animal tag or mark or other identification used to identify the animal?
Core Animal Characteristics If animal tag or mark, specify Text	CoreCharTagMarkTxt	Specifies the animal tag or mark used to identify the animal	If yes, specify			Alpha‐numeric	Animal tag or mark	Record the animal tag or mark used to identify the animal and upload file if available
Core Animal Characteristics Study design Indicator	CoreCharStudyDesInd	Indicates whether or not there is information regarding the study design available	Study design	Yes;no/Unknown	Yes, there is a study design available; No, there is not a study design available	Alpha‐numeric	Yes/No/Unknown	Choose one: is information regarding the study design available? Upload the file, if available
Core Animal Characteristics Surgical notes (repeat if >1 surgery) Indicator	CoreCharSurgNotesInd	Indicates whether or not there are surgical notes available	Surgical notes (repeat if >1 surgery)	Yes;no/Unknown	Yes, there are surgical or procedural notes available; No, there are not surgical or procedural notes available	Alpha‐numeric	Yes/No/Unknown	Choose one: are there surgical notes available? Upload the file if available