ageonset_Tier1
Item
Age at PD onset (cases only), Tier1
text
C0206132 (UMLS CUI [1,1])
agestudy_Tier1
Item
Age at entry into study, Tier1
text
C0001779 (UMLS CUI [1,1])
C0011008 (UMLS CUI [1,2])
C0008976 (UMLS CUI [1,3])
Item
Gender, Tier1
text
C0079399 (UMLS CUI [1,1])
Item
Case-sib status, Tier1
text
C3274646 (UMLS CUI [1,1])
Code List
Case-sib status, Tier1
labid_Tier1
Item
Dummy identifier, Tier1
text
C2348585 (UMLS CUI [1,1])
matchnum_Tier1
Item
Identifier for each case-sib pair, Tier1
text
C0868928 (UMLS CUI [1,1])
C0600091 (UMLS CUI [1,2])