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Clinician Verification data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(CLIELG)

Format

A data frame with 7305 observations and 16 variables.

Details

  • ORIGPROT character Original study protocol , with options: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4

  • COLPROT factor Study protocol of data collection , with levels: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4

  • PTID character Participant ID

  • RID numeric Participant roster ID Range value: 1, ..., 10893

  • VISCODE character Visit code

  • VISCODE2 character Translated visit code

  • VISDATE Assessment EXAMDATE when present; otherwise Registry EXAMDATE Date: YYY-MM-DD

  • CENROLL character Based on protocol requirements, please confirm participant's eligibility for participation in the protocol

    • ADNI1, ADNIGO, ADNI2: 1=Participant is eligible for enrollment in the protocol ; 0=Participant should be excluded from the protocol

    • ADNI3, ADNI4: 0=Participant should be excluded ; 1=Participant is eligible

    Decoded Value: Yes

  • ID numeric Record ID Range value: 6, ..., 186863

  • SITEID numeric Site ID Range value: 1, ..., 941

  • USERDATE User Create Date Date: YYY-MM-DD

  • USERDATE2 User Last Modify Date Date: YYY-MM-DD

  • DD_CRF_VERSION_LABEL character CRF Version Label , with options: v1

  • LANGUAGE_CODE character Language Code e=English Decoded Value: Yes

  • HAS_QC_ERROR character Has Quality Check Error 0=Does not have QC error or QC error has been approved ; 1=Has QC error Decoded Value: Yes

  • update_stamp POSIXct: YYY-MM-DD