age_at_initial_diagnosis #

The concept we in STRONG AYA refer to as “age_at_initial_diagnosis” is identifiable through shortcode ncit:C156420.
In standard vocabularies this shortcode refers to “Age at Diagnosis” and is defined as “The age of an individual at the time of initial pathologic diagnosis.”

age_at_initial_diagnosis values #

In STRONG AYA, this concept is recorded as “missing_or_unspecified”.

The value we in STRONG AYA refer to as “missing_or_unspecified” is identifiable through shortcode ncit:C54031.
In standard vocabularies this shortcode refers to “Missing” and is defined as “Not existing; not able to be found.”

age_at_initial_diagnosis unit #

In STRONG AYA, “age_at_initial_diagnosis” is recorded in “Years” and this is associated with shortcode ncit:C29848.
In standard vocabularies this shortcode refers to “Year” and is defined as “A period of time that it takes for Earth to make a complete revolution around the sun, approximately 365 days; a specific one year period.”