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PETC3 data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(PETC3)

Format

A data frame with 434 observations and 25 variables.

Details

  • ORIGPROT character , with options: ADNI2, ADNIGO, ADNI1, ADNI3

  • COLPROT character , with options: ADNI3

  • ID numeric Range value: 1840, ..., 174179

  • RID numeric Range value: 69, ..., 7121

  • PTID character

  • SITEID numeric Range value: 1, ..., 63

  • VISCODE character , with options: init, bl

  • VISCODE2 character

  • USERDATE Date: YYY-MM-DD

  • USERDATE2 Date: YYY-MM-DD

  • SCANDATE Date: YYY-MM-DD

  • LONIUPDT Date: YYY-MM-DD

  • LONIUID character

  • REVDT Date: YYY-MM-DD

  • ALLFRAME numeric Range value: 0, ..., 1

  • UNUSABL character , with options: 3rd, 5,6, 3-6, 3, 6, 1-6

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

  • UNRSNSPEC character , with options: PET acquisition started 16 minutes late, corrupt/streak artifacts, outside acquisition window, late scan start, late scan staT, Late scan start. Last 2 frns outside acq window, acquired outside protocol window, FDG PET ACQ started 75 min post inj

  • SCANQLTY numeric Range value: 0, ..., 1

  • REPROCREQ numeric Range value: 0, ..., 1

  • PROCERR character , with options: 5|99, 2|3|4, 8, 2, 99, 1, 2|3|9, 1|2

  • PROCERRSPEC character , with options: Scatter error, Reprocess with offsets, Incomplete reconstruction, Header strip/filtering, Header strip

  • RESCANREQ numeric Range value: 0, ..., 1

  • COMM character

  • update_stamp POSIXct: YYY-MM-DD