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Clinical Dementia Rating

Source: R/data.R
CDR.Rd

Clinical Dementia Rating data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(CDR)

Format

A data frame with 14427 observations and 26 variables.

Source

https://adni.loni.usc.edu/data-samples/adni-data/

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: 2, ..., 10894

  • VISCODE character Visit code

  • VISCODE2 character Translated visit code

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

  • CDSOURCE character Information Source

    • ADNI1, ADNIGO, ADNI2: 1=Participant Visit ; 2=Telephone Call

    • ADNI3, ADNI4: 1=Participant Visit ; 2=Telephone Call/Video Call

    Decoded Value: Yes

  • CDVERSION character Version

    • ADNI2: 1=CDR version 1- Full interview with informant and participant ; 3=CDR version 2- Full interview with only informant ; 2=CDR version 3- Abbreviated interview with only informant

    • ADNI3: 1=CDR version 1- Full interview with informant and participant ; 2=CDR version 3- Abbreviated interview with only informant ; 3=CDR version 2- Full interview with only informant

    • ADNI4: 1=CDR version 1- Full interview with informant and participant ; 2=CDR version 3- Abbreviated (Only to be used if study partner refuses full interview) ; 3=CDR version 2- Full interview with only informant

    Decoded Value: Yes

  • SPID numeric Study Partner ID: Range value: 1, ..., 10

  • CDMEMORY numeric Memory Score

    • ADNI1, ADNIGO, ADNI2, ADNI4: 0.0=0.0 ; 0.5=0.5 ; 1.0=1.0 ; 2.0=2.0 ; 3.0=3.0

    • ADNI3: 0=0.0 ; 0.5=0.5 ; 1=1.0 ; 2=2.0 ; 3=3.0

  • CDORIENT numeric Orientation Score

    • ADNI1, ADNIGO, ADNI2, ADNI4: 0.0=0.0 ; 0.5=0.5 ; 1.0=1.0 ; 2.0=2.0 ; 3.0=3.0

    • ADNI3: 0=0.0 ; 0.5=0.5 ; 1=1.0 ; 2=2.0 ; 3=3.0

  • CDJUDGE numeric Judgment and Problem Solving Score

    • ADNI1, ADNIGO, ADNI2, ADNI4: 0.0=0.0 ; 0.5=0.5 ; 1.0=1.0 ; 2.0=2.0 ; 3.0=3.0

    • ADNI3: 0=0.0 ; 0.5=0.5 ; 1=1.0 ; 2=2.0 ; 3=3.0

  • CDCOMMUN numeric Community Affairs Score

    • ADNI1, ADNIGO, ADNI2, ADNI4: 0.0=0.0 ; 0.5=0.5 ; 1.0=1.0 ; 2.0=2.0 ; 3.0=3.0

    • ADNI3: 0=0.0 ; 0.5=0.5 ; 1=1.0 ; 2=2.0 ; 3=3.0

  • CDHOME numeric Home and Hobbies Score

    • ADNI1, ADNIGO, ADNI2, ADNI4: 0.0=0.0 ; 0.5=0.5 ; 1.0=1.0 ; 2.0=2.0 ; 3.0=3.0

    • ADNI3: 0=0.0 ; 0.5=0.5 ; 1=1.0 ; 2=2.0 ; 3=3.0

  • CDCARE numeric Personal Care Score

    • ADNI1, ADNIGO, ADNI2, ADNI4: 0.0=0.0 ; 1.0=1.0 ; 2.0=2.0 ; 3.0=3.0

    • ADNI3: 0=0.0 ; 1=1.0 ; 2=2.0 ; 3=3.0

  • CDGLOBAL numeric Global CDR

    • ADNI1, ADNI4: 0.0=0.0 ; 0.5=0.5 ; 1.0=1.0 ; 2.0=2.0 ; 3.0=3.0

    • ADNIGO, ADNI2

    • ADNI3: 0=0.0 ; 0.5=0.5 ; 1=1.0 ; 2=2.0 ; 3=3.0

  • CDRSB numeric Sum of Boxes

    • ADNI3: 0..18

    • ADNI4

  • ID numeric Record ID Range value: 3, ..., 187113

  • 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

Author

adni-data@googlegroups.com