Age
Item
age ≥ 18 years
boolean
C0001779 (UMLS CUI [1])
Initiation Chronic haemodialysis Frequency
Item
initiating chronic hemodialysis 3x/wk at massachusetts general hospital, brigham and women's hospital or beth israel deaconess medical center with planned transfer to massachusetts chronic facility
boolean
C1704686 (UMLS CUI [1,1])
C1740835 (UMLS CUI [1,2])
C0439603 (UMLS CUI [1,3])
serum 25-hydroxyvitamin D measurement
Item
serum 25d < 32 ng/ml
boolean
C2229552 (UMLS CUI [1])
Corrected serum calcium measurement
Item
corrected serum calcium < 10.2 mg/dl
boolean
C0455288 (UMLS CUI [1])
Serum Phosphate Measurement
Item
serum phosphate < 5.5 mg/dl
boolean
C1883013 (UMLS CUI [1])
Serum albumin measurement
Item
serum albumin > 3 g/dl
boolean
C0523465 (UMLS CUI [1])
Informed Consent
Item
informed consent
boolean
C0021430 (UMLS CUI [1])
Pregnancy | Breast Feeding
Item
pregnant or breastfeeding
boolean
C0032961 (UMLS CUI [1])
C0006147 (UMLS CUI [2])
Childbearing Potential Contraceptive methods Absent | Barrier Contraception Double | Hormonal contraception | In monogamous relationship Partner had vasectomy | Sexual Abstinence
Item
women of childbearing potential not practicing one of the following measures of birth control: double-barrier method, hormonal contraceptives for at least 3 months prior to and during study, monogamous relationship with vasectomized partner, total abstinence from sexual intercourse with men during study.
boolean
C3831118 (UMLS CUI [1,1])
C0700589 (UMLS CUI [1,2])
C0332197 (UMLS CUI [1,3])
C0004764 (UMLS CUI [2,1])
C0205173 (UMLS CUI [2,2])
C2985296 (UMLS CUI [3])
C2135319 (UMLS CUI [4,1])
C0420842 (UMLS CUI [4,2])
C0036899 (UMLS CUI [5])
HIV Seropositivity
Item
hiv positive
boolean
C0019699 (UMLS CUI [1])
Allergic Reaction Ergocalciferol
Item
history of allergic reaction to ergocalciferol
boolean
C1527304 (UMLS CUI [1,1])
C0014695 (UMLS CUI [1,2])
Study Subject Participation Status Inappropriate
Item
investigator considers subject unsuitable for any reason
boolean
C2348568 (UMLS CUI [1,1])
C1548788 (UMLS CUI [1,2])