Additional Comments data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/
Usage
data(ADDCOMM)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
PTID character Participant ID
RID numeric Participant roster ID Range value: 2, ..., 10871
VISCODE character Visit code
VISCODE2 character Translated visit code
VISDATE Assessment EXAMDATE when present; otherwise Registry EXAMDATE Date: YYY-MM-DD
RECNO numeric Record Number Range value: 1, ..., 16
CAAPPLY character This Additional Comment applies to: 1=No specific form/visit ; 2=Whole visit packet ; 3=One form/assessment (specify) Decoded Value: Yes
ID numeric Record ID Range value: 2, ..., 186873
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