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Amyloid PET Scan Information data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(AMYMETA)

Format

A data frame with 2736 observations and 39 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

  • RID numeric Participant roster ID Range value: 2, ..., 10819

  • PTID character Participant ID

  • VISCODE character Visit code

  • VISCODE2 character Translated visit code

  • DONE character Was the scan conducted? 0=No ; 1=Yes Decoded Value: Yes

  • NDREASON character If No, reason not done

    • ADNI3: 1=Illness ; 2=Participant unavailable ; 3=Participant unwilling ; 4=Administrative problems ; 5=Withdrawn consent ; 7=Not called for by protocol ; 8=Software/scanner error ; 99=Other (specify)

    • ADNI4: 1=Illness ; 2=Participant unavailable ; 3=Participant unwilling ; 4=Administrative problems ; 5=Withdrawn consent ; 7=Not called for by protocol ; 8=Software/scanner error ; 9=Tracer issues ; 99=Other (specify)

    Decoded Value: Yes

  • TRACERISS character Tracer issues 1=Dose failure ; 2=Late delivery or other issues with delivery ; 3=Incorrect tracer delivered by radiopharmacy ; 4=Incorrect tracer ordered by site ; 99=Other (specify) Decoded Value: Yes

  • RADTRACER character If scan not done, was radiotracer administered? 0=No ; 1=Yes Decoded Value: Yes

  • TRACERTYPE character Amyloid Imaging radiotracer used

    • ADNI3: 1=Florbetaben (Neuraceq) ; 2=Florbetapir (Amyvid)

    • ADNI4: 1=Florbetaben (Neuraceq) ; 2=Florbetapir (Amyvid) ; 3=NAV4694

    Decoded Value: Yes

  • SCANDATE Scan Date/Dose Date Date: YYY-MM-DD

  • QCTIME Time of today's Scanner QC hms: HH-MM-SS

  • ASSAYTIME Time of dose assay hms: HH-MM-SS

  • DOSEFLRBTBN numeric Florbetaben (Neuraceq): Injected dose assay Range value: 5, ..., 10.5

  • DOSEFLRBTPR numeric Florbetapir (Amyvid): Injected dose assay Range value: 5.1, ..., 13.6

  • DOSENAV numeric NAV4694: Injected dose assay Range value: 6.2, ..., 8.9

  • INJTIME Time of injection hms: HH-MM-SS

  • SCANTIME Emission Scan Start Time hms: HH-MM-SS

  • EARLYADD character Does the study include an 'early add-on' scan (0-20) min? 0=No ; 1=Yes Decoded Value: Yes

  • EARLYNO character If no, why? 1=Not a participating site in the early add on sequence study ; 2=Subject did not consent to the early add on sequence study ; 3=Administrative problems ; 4=Software/scanner error ; 5=Withdrawn consent ; 99=Other Decoded Value: Yes

  • EARLYTIME If yes, Early add on sequence start time: [H H M M] hms: HH-MM-SS

  • VARIAT character Any variations from protocol during uptake? 0=No ; 1=Yes Decoded Value: Yes

  • PROTID character Predefined Acquisition Protocol Name

  • MOTION character Participant motion problems 0=No ; 1=Yes Decoded Value: Yes

  • OTHERVAR character Other protocol variations 0=No ; 1=Yes Decoded Value: Yes

  • RECON character Select reconstruction used

    • ADNI3: 1=3D or LOR Ramla (Philips) ; 2=FORE/2D-OSEM (Siemens) ; 4=3D-OSEM (Siemens) ; 5=3D Iterative (VPHD / GE) ; 6=FORE Iterative (GE)

    • ADNI4: 1=3D or LOR Ramla (for Philips Gemini scanners) ; 2=FORE/2D-OSEM (Siemens) ; 4=3D-OSEM (Siemens) ; 5=3D Iterative (VPHD / GE) ; 6=FORE Iterative (GE) ; 7=3D-OSEM (Philips Vereos and Ingenuity Scanners)

    Decoded Value: Yes

  • SHARP character For Philips Gemini scanners: was "smooth" parameter set to "sharp"? 0=No ; 1=Yes Decoded Value: Yes

  • ARCHIVE character Data archived locally? 0=No ; 1=Yes Decoded Value: Yes

  • LONI character Data transferred to LONI? 0=No ; 1=Yes Decoded Value: Yes

  • TRANDATE Transfer Date Date: YYY-MM-DD

  • ID numeric Record ID Range value: 225, ..., 187097

  • 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