Laboratory test results derived dataset.
Usage
data(LB)Source
For more details see the help vignette:
vignette(topic = 'ADNIMERGE2-Derived-Data', package = 'ADNIMERGE2')
Details
STUDYID character Study Identifier ; , with character options: ADNI
DOMAIN character Domain Abbrevation , with character options: LB
USUBJID character Unique Subject Identifier
ORIGPROT character Original Study Protocol , with character options: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4
LBGRPID character Group ID Study Protocol of Data Collection; , with character options: ADNI1, ADNI2, ADNI3, ADNIGO, ADNI4
LBSEQ integer Sequence Number Range value: 1, ..., 290
LBTESTCD character Lab Test or Examination Short Name
LBTEST character Lab Test or Examination Name
LBORRES character Result or Finding in Original Units
LBORRESU character Original Units
LBSTRESC character Character Result/Finding in Std Format
LBSTRESN numeric Numeric Result/Finding in Standard Units Range value: -5, ..., 37480
LBSTRESU character Standard Units
LBSTAT character Completion Status , with character options: NOT DONE
LBREASND character Reason Test Not Done
LBSPEC character Specimen Type , with character options: PLASMA
LBSPCCND character Specimen Condition
LBNAM character Vendor Name , with character options: UPENN, C2N, URMC
LBBLFL character Baseline Flag , with character options: Y
VISITNUM numeric Visit Number Range value: -2, ..., Inf
VISIT character Visit Name
VISCODE character Visit Code
EPOCH character Epoch , with character options: Baseline, Follow-up, Screening
LBDTC Date Date/Time of Specimen Collection Date: YYY-MM-DD
LBDY integer Study Day of Specimen Collection Range value: -363, ..., 7021