Age
Item
Age of 70 years or above
boolean
C0001779 (UMLS CUI [1])
Sodium
Item
Serum sodium of 130 mmol/L and below
boolean
C0337443 (UMLS CUI [1])
Control Group
Item
Healthy Volunteers
boolean
C0009932 (UMLS CUI [1])
Informed Consent
Item
Patients not capable of giving informed consent
boolean
C0021430 (UMLS CUI [1])
Intensive care unit
Item
Patients on intensive care unit (ICU)
boolean
C0021708 (UMLS CUI [1])