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Tau AV-1451 PET Scan Information data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(TAUMETA)

Format

A data frame with 2835 observations and 40 variables.

Details

  • ORIGPROT character Original study protocol , with options: ADNI2, ADNI1, ADNIGO, 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, ..., 10819

  • VISCODE character Visit code

  • VISCODE2 character Translated visit code

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

  • RECNO numeric Range value: 1, ..., 2

  • DONE character Was the scan conducted?

    • ADNI2: 1=Yes ; 0=No

    • ADNI3, ADNI4: 0=No ; 1=Yes

    Decoded Value: Yes

  • NDREASON character If No, reason not done

    • ADNI2: 1=Participant Unable for Cognitive Reasons ; 2=Participant Unable for Other Reasons (Physical, auditory, etc.) ; 3=Participant/Study Partner Refused ; 4=Equipment related issue ; 7=Site Error ; 8=Other Reason ; 9=Unknown

    • ADNI3: 1=Illness ; 2=Participant unavailable ; 3=Participant unwilling ; 4=Administrative problems ; 5=Withdrawn consent ; 7=Not called for by protocol ; 8=Software/scanner error ; 99=Other (specify)

    • ADNI4: 1=Illness ; 2=Participant unavailable ; 3=Participant unwilling ; 4=Administrative problems ; 5=Withdrawn consent ; 7=Not called for by protocol ; 8=Software/scanner error ; 9=Tracer issues ; 99=Other (specify)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

  • RADTRACER character If scan not done, was radiotracer administered?

    • ADNI2: 1=Yes ; 0=No

    • ADNI3, ADNI4: 0=No ; 1=Yes

    Decoded Value: Yes

  • TRACERTYPE character Tau Imaging radiotracer used

    • ADNI2, ADNI3: 1=Flortaucipir

    • ADNI4: 1=Flortaucipir ; 2=MK-6240 ; 3=PI-2620

    Decoded Value: Yes

  • QCTIME character Time of today's Scanner QC

  • ASSAYTIME character Time of dose assay

  • DOSETAU numeric Flortaucipir : Injected dose assay Range value: 5, ..., 13.5

  • DOSEMK numeric MK6240: Injected dose assay Range value: 3.5, ..., 5.6

  • DOSEPI numeric PI-2620: Injected dose assay Range value: 4.8, ..., 5.5

  • INJTIME character Time of injection

  • SCANTIME character Emission Scan Start Time

  • VARIAT character Any variations from protocol during uptake?

    • ADNI2: 1=Yes ; 0=No

    • ADNI3, ADNI4: 0=No ; 1=Yes

    Decoded Value: Yes

  • PROTID character Predefined Acquisition Protocol Name

  • TAUFRAME character For the acquisition, which framing rate was used? 1=6 frames, 5 min/frame (6x300s) ; 2=2 scans,15 min each (2x900s) (scans started as close together as possible, only for BioGraph scanners without list-mode) ; 3= 1 frame, 30 min (1 x 1200s) (only for Biograph 47-slice scanners) ; 8=Other Decoded Value: Yes

  • MOTION character Participant motion problems

    • ADNI2: 1=Yes ; 0=No

    • ADNI3, ADNI4: 0=No ; 1=Yes

    Decoded Value: Yes

  • OTHERVAR character Other protocol variations

    • ADNI2: 1=Yes ; 0=No

    • ADNI3, ADNI4: 0=No ; 1=Yes

    Decoded Value: Yes

  • RECON character Select reconstruction used

    • ADNI2: 1=3D or LOR Ramla (Philips) ; 2=FORE/2D-OSEM (Siemens) ; 3=3D Back-projection (GE) ; 4=OSEM3D (Siemens) (If HHRT scanners using OP, select OSEM3D) ; 5=3D Iterative (GE) ; 6=FORE Iterative (GE)

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

    • ADNI2: 1=Yes ; 0=No

    • ADNI3, ADNI4: 0=No ; 1=Yes

    Decoded Value: Yes

  • TAUSMOOTH character Was post-process smoothing performed: 1=Yes ; 0=No Decoded Value: Yes

  • TAURAMLA numeric Lambda Range value: -1, ..., 1

  • ARCHIVE character Data archived locally?

    • ADNI2: 1=Yes ; 0=No

    • ADNI3, ADNI4: 0=No ; 1=Yes

    Decoded Value: Yes

  • LONI character Data transferred to LONI?

    • ADNI2: 1=Yes ; 0=No

    • ADNI3, ADNI4: 0=No ; 1=Yes

    Decoded Value: Yes

  • TRANDATE Transfer Date Date: YYY-MM-DD

  • ID numeric Record ID Range value: 2, ..., 186569

  • 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