AV-45 PET QC Tracking data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/
Usage
data(AV45QC)Details
ORIGPROT character Original study protocol , with options: ADNI1, ADNIGO, ADNI2
COLPROT factor Study protocol of data collection , with levels: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4
ID numeric Range value: 2, ..., 4754
RID numeric Participant roster ID Range value: 21, ..., 5296
PTID character Participant ID
SITEID numeric Site ID Range value: 1, ..., 61
VISCODE character Visit code
VISCODE2 character Translated visit code
USERDATE Date record created Date: YYY-MM-DD
USERDATE2 Date record last updated Date: YYY-MM-DD
RECNO numeric Range value: 1, ..., 6
SCAN character Scan 1=Original Scan ; 2=Rescan Decoded Value: Yes
EXAMDATE Examination Date Date: YYY-MM-DD
PQFILENO numeric Upload Number Range value: 1, ..., 6
PQDATTRA Date images uploaded to LONI Date: YYY-MM-DD
LONIUID character LONI Unique Series ID
PQDATE Date reviewed Date: YYY-MM-DD
PQACQFR character Standard Sequence Acquisition
ADNIGO: 1=4 frames, 5 min/frame ; 2=2 scans, 10 min each
ADNI2: 1=4 frames, 5 min/frame ; 2=2 scans, 10 min each ; 3=1 scan, 20min ; 4=Not applicable - early add on sequence
Decoded Value: Yes
PQCORALG character Correct Reconstruction Algorithm? 1=Yes ; 0=No Decoded Value: Yes
PQRECON character Check which of the following reconstruction algorithms was used
ADNIGO: 2=FORE/2D-OSEM (Siemens) ; 4=OSEM3D (Siemens) ; 5=3D Iterative (GE) ; 1=3D-Ramla (Philips) ; 3=3D Back-projection (GE)
ADNI2: 2=FORE/2D-OSEM (Siemens) ; 4=OSEM3D (Siemens) ; 5=3D Iterative (GE) ; 6=FORE Iterative (GE) ; 1=3D or LOR Ramla (Philips) ; 3=3D Back-projection (GE)
Decoded Value: Yes
PQCORNUM character If FORE/2D-OSEM or OSEM3D or 3D Iterative or FORE Iterative, correct # subsets and iterations? 1=Yes ; 0=No Decoded Value: Yes
PQCORFIL character Correct Filters/TRIM? 1=Yes ; 0=No Decoded Value: Yes
PQCORTHI character Correct Slice Thickness (PET/CT systems)? 1=Yes ; 0=No ; 2=N/A (PET only system) Decoded Value: Yes
PQVOXEL character Acceptable Voxel Size? 1=Yes ; 0=No Decoded Value: Yes
PQALLFRAME character Were all frames acceptable? 1=Yes ; 0=No Decoded Value: Yes
PQUNUSABLE character Indicate which frames were unacceptable:
PQREASON character Indicate why frames were unacceptable: 1=Subject motion ; 2=Other (Please Specify) Decoded Value: Yes
PQREASSP character If Other, Specify:
PASS character Pass QC? 1=Yes ; 0=No Decoded Value: Yes
PQPROERR character A. Processing Error(s) 1=Incorrect reconstruction algorithm ; 2=Incorrect filtering ; 3=Incorrect slice thickness ; 4=Incorrect voxel size ; 5=Attenuation Error ; 6=Normalization Error ; 7=Inadequate counts ; 8=Inadequate field of view ; 9=Incorrect acquisition protocol ; 10=Unfixable image artifact (e.g. attenuation, normalization, etc.) ; 99=Other (specify) Decoded Value: Yes
PQERRSP character Specify
PQACTION character B. QC outcome 1=Request Reprocessing ; 2=Request Rescan ; 3=Unuseable - Don't request rescan (provide details) ; 4=Allow Rescan (rescan not requested) Decoded Value: Yes
PQNONESP character If unusable, reason for not rescanning
PQISSUES character Imaging issues 1=Motion - minimal ; 2=Motion - mild ; 3=Motion - mild-to-moderate ; 4=Motion - moderate ; 5=Motion - moderate-to-severe ; 6=Top Cutoff - none ; 7=Top Cutoff - 0-3mm ; 8=Top Cutoff - 3-6mm ; 9=Top Cutoff - 6-9mm ; 10=Top Cutoff - >9mm ; 11=Bottom Cutoff - none ; 12=Bottom Cutoff - 0-3mm ; 13=Bottom Cutoff - 3-6mm ; 14=Bottom Cutoff - 6-9mm ; 15=Bottom Cutoff - >9mm ; 99=Other (specify) Decoded Value: Yes
PQISSOTH character Other, specify , with options: Good Images 3DRP
COMMENTS character Additional QC Comments
QUARANTINE character Release from quarantine? 1=Yes ; 0=No Decoded Value: Yes
PAYSITE character Pay Site? 1=Yes ; 0=No Decoded Value: Yes
update_stamp POSIXct: YYY-MM-DD