Skip to contents

PET Scan Information

Source: R/data.R
PETMETA_ADNI1.Rd

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

Usage

data(PETMETA_ADNI1)

Format

A data frame with 1957 observations and 105 variables.

Source

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

Details

  • ORIGPROT character Original study protocol , with options: ADNI1

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

  • ID numeric Range value: 2, ..., 3958

  • RID numeric Participant roster ID Range value: 2, ..., 1435

  • PTID character Participant ID

  • SITEID numeric Site ID Range value: 1, ..., 127

  • VISCODE character Visit code , with options: bl, m06, m12, m18, m24, m36, m48

  • VISCODE2 character , with options: bl, m06, m12, m18, m24, m36, m48

  • USERDATE Date record created Date: YYY-MM-DD

  • USERDATE2 Date record last updated Date: YYY-MM-DD

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

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

  • PMREASON character Reason why the scan was not conducted: 1=Illness ; 2=Participant unavailable ; 3=Participant unwilling ; 4=Administrative problems ; 5=Withdrawn consent ; 6=Other (specify) Decoded Value: Yes

  • PMCONSENT character Did the participant consent to quantitative scan? 1=Yes ; 0=No Decoded Value: Yes

  • PMTYPE character Type of scan conducted 1=Qualitative ; 2=Quantitative Decoded Value: Yes

  • EXAMDATE Scan Date Date: YYY-MM-DD

  • PMSCANNER character GE 1=check here Decoded Value: Yes

  • PMGEMODEL character If GE, Scanner Model: 1=Advance ; 2=Discovery LS ; 3=Discovery ST ; 4=Discovery RX ; 5=Discovery STE Decoded Value: Yes

  • PMSIEMENS character Siemens/CTI 1=check here Decoded Value: Yes

  • PMSIEMODEL character If Siemens/CTI, Scanner Model: 1=ACCEL ; 2=Biograph ; 3=BioGraph BGO ; 4=BioGraph HiRez ; 5=EXACT ; 6=HR+ ; 7=HRRT Decoded Value: Yes

  • PMPHILLIPS character Phillips 1=check here Decoded Value: Yes

  • PMPHMODEL character If Phillips, Scanner Model: 1=Allegro ; 2=Allegro-Neuro ; 3=Gemini ; 4=Gemini GLX ; 5=Gemini-TF Decoded Value: Yes

  • PMQCTIME character Time of today's Scanner QC

  • PMBLTIME character Time of blood glucose measurement

  • PMBLGLUC numeric Blood Glucose (pre-FDG) Range value: 50, ..., 250

  • PMFDGTIME character Time of FDG dose assay

  • PMFDGDOS numeric FDG dose assay Range value: 3.8, ..., 54

  • PMFDGVOL numeric FDG Volume Range value: 0.1, ..., 10

  • PMINJTIME character Time of FDG injection

  • PMSCTIME character Time scan started (emission)

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

  • PMPROTID character Predefined acquisition protocol ID

  • PMFRAME character Which framing rate was used? 1=6 frames, 5 min/frame (6x300s) ; 2=1 frame, 30 min (1x1800s) ; 3=Quantitative Decoded Value: Yes

  • PMMOTION character Subject motion problems: 1=Yes ; 0=No Decoded Value: Yes

  • PMMALFUN character Scanner malfunction 1=Yes ; 0=No Decoded Value: Yes

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

  • PMRECON character Check which of the following reconstructions was used: 2=FORE/2D-OSEM ; 4=OSEM3D-OP ; 1=3D-Ramla ; 3=3D Back-projection Decoded Value: Yes

  • PMSUBSET character # subsets: 14=14 ; 16=16 ; 98=N/A ; 99=Other Decoded Value: Yes

  • PMSUBSPE numeric If Other, specify Range value: 0, ..., 92

  • PMITERAT character # iterations: 2=2 ; 4=4 ; 6=6 ; 99=Other Decoded Value: Yes

  • PMITERSPE numeric If Other, specify: Range value: 0, ..., 16

  • PMRAMLA character If Ramla, Lambda=0.016? 1=Check here to confirm Decoded Value: Yes

  • PMFILTER character If Back Projection, Ramp filter? 1=Check here to confirm Decoded Value: Yes

  • PMMODEON character If FORE/2D-OSEM, Brain Mode "ON" for PET only scanners or TRIM "ON" for PET/CT scanners? 1=Check here to confirm Decoded Value: Yes

  • PMSMOOTH character No post-process smoothing: 1=Check here to confirm Decoded Value: Yes

  • PMDECAY character Decay Correction 1=Yes ; 0=No Decoded Value: Yes

  • PMSCATTR character Scatter Correction: 1=Yes ; 0=No Decoded Value: Yes

  • PMATTEN character Attenuation Correction: 1=CT ; 2=Ge-68+Segmentation ; 3=Cs-137+Segmentation Decoded Value: Yes

  • PMWITHDRAW character Clock for blood sample withdrawal time 1=Yes ; 0=No Decoded Value: Yes

  • PMWITHTIME character If No, provide the time difference , with options: offset seems to be 44 sec (16:01:11 vs 16:01:55), 39 seconds, ~50 sec off, Subject was a hard stick, Nurse had trouble drawing blood

  • PMCOUNT character Clock for blood sample count time 1=Yes ; 0=No Decoded Value: Yes

  • PMCOUNTIME character If No, provide the time difference , with options: 39 seconds, ~50 sec off

  • PMBG1TIME character Sample Count Time (24h) Background #1

  • PMBG1VOL numeric Sample Plasma Volume Counted Background #1 Range value: 200, ..., 250

  • PMBG1DUR numeric Sample Count Duration Background #1 Range value: 60, ..., 300

  • PMBG1COUNT numeric Sample Count Rate Background #1 Range value: 1, ..., 279

  • PMP1DTIME character Sample Draw Time (24h) Plasma 1

  • PMP1CTIME character Sample Count Time (24h) Plasma 1

  • PMP1BGL numeric Sample BGL Plasma 1 Range value: 63, ..., 168

  • PMP1VOL numeric Sample Plasma Volume Counted Plasma 1 Range value: 200, ..., 250

  • PMP1DUR numeric Sample Count Duration Plasma 1 Range value: 25, ..., 60

  • PMP1COUNT numeric Sample Count Rate Plasma 1 Range value: 3, ..., 9999

  • PMP2DTIME character Sample Draw Time (24h) Plasma 2

  • PMP2CTIME character Sample Count Time (24h) Plasma 2

  • PMP2BGL numeric Sample BGL Plasma 2 Range value: 66, ..., 164

  • PMP2VOL numeric Sample Plasma Volume Counted Plasma 2 Range value: 111, ..., 250

  • PMP2DUR numeric Sample Count Duration Plasma 2 Range value: 11, ..., 60

  • PMP2COUNT numeric Sample Count Rate Plasma 2 Range value: 8, ..., 9999

  • PMP3DTIME character Sample Draw Time (24h) Plasma 3

  • PMP3CTIME character Sample Count Time (24h) Plasma 3

  • PMP3BGL numeric Sample BGL Plasma 3 Range value: 53, ..., 165

  • PMP3VOL numeric Sample Plasma Volume Counted Plasma 3 Range value: 60, ..., 250

  • PMP3DUR numeric Sample Count Duration Plasma 3 Range value: 29, ..., 200

  • PMP3COUNT numeric Sample Count Rate Plasma 3 Range value: 7, ..., 9999

  • PMP4DTIME character Sample Draw Time (24h) Plasma 4

  • PMP4CTIME character Sample Count Time (24h) Plasma 4

  • PMP4BGL numeric Sample BGL Plasma 4 Range value: 63, ..., 168

  • PMP4VOL numeric Sample Plasma Volume Counted Plasma 4 Range value: 99, ..., 250

  • PMP4DUR numeric Sample Count Duration Plasma 4 Range value: 30, ..., 99

  • PMP4COUNT numeric Sample Count Rate Plasma 4 Range value: 6, ..., 9999

  • PMP5DTIME character Sample Draw Time (24h) Plasma 5

  • PMP5CTIME character Sample Count Time (24h) Plasma 5

  • PMP5BGL numeric Sample BGL Plasma 5 Range value: 60, ..., 177

  • PMP5VOL numeric Sample Plasma Volume Counted Plasma 5 Range value: 99, ..., 250

  • PMP5DUR numeric Sample Count Duration Plasma 5 Range value: 39, ..., 99

  • PMP5COUNT numeric Sample Count Rate Plasma 5 Range value: 1, ..., 9999

  • PMBG2CTIME character Sample Count Time (24h) Background 2

  • PMBG2VOL numeric Sample Plasma Volume Counted Background 2 Range value: 200, ..., 250

  • PMBG2DUR numeric Sample Count Duration Background 2 Range value: 1, ..., 300

  • PMBG2COUNT numeric Sample Count Rate Background 2 Range value: 1, ..., 283

  • PMPIPVOL character Was the pipetted plasma volume 200 uL? 1=Yes ; 0=No Decoded Value: Yes

  • PMPIPVOLSP character If No, denote volume used: , with options: 250 microL - have only fixed vol. pipettes, 250 uL fixed volume pipette, 250 micro liter (fixed volume pipette), 250 microliters, 250 microL fixed volume pipette, 250 microliter fixed volume pipette, 250 ul fixed volume pipette, 250; fixed volume pipette, 250 uL fixed volume pipette, 250 uL fixed volume pipette

  • PMCTIME character Was the plasma sample count time 1 minute? 1=Yes ; 0=No Decoded Value: Yes

  • PMCTIMESP character If No, denote count time used , with options: fixed counts 10000: 25-39 sec

  • PMPHACT numeric Phantom Activity at Time of Scan Range value: 0.25, ..., 3

  • PMPHVOL numeric Phantom Volume Range value: 5969, ..., 8538

  • PMPHCOUNT numeric Average Counts from Phantom Image ROI Range value: 5.7e-05, ..., 11264

  • PMALIQVOL numeric Aliquot Volume Range value: 50, ..., 1500

  • PMALIQACT numeric Aliquot Count Rate Range value: 137, ..., 6138

  • PMTRNSFR character Was data transferred to LONI within 24 hours of scan? 1=Yes ; 0=No Decoded Value: Yes

  • PMTRNDATE Transfer Date Date: YYY-MM-DD

  • PMARCHIVE character Data Archived Locally 1=Yes ; 0=No Decoded Value: Yes

  • PMLPDONE character Was a Lumbar Puncture completed prior to the PET scan? 1=Yes ; 0=No Decoded Value: Yes

  • PMLPINTER character If Yes, What was the interval between LP and PET? 1=less than 6 hours ; 2=6-12 hours ; 3=13-24 hours ; 4=25-48 hours ; 5=49-72 hours ; 6=more than 72 hours Decoded Value: Yes

  • update_stamp POSIXct: YYY-MM-DD

Author

adni-data@googlegroups.com