Registry data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/
Usage
data(REGISTRY)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: 1, ..., 10895
VISCODE character Visit code
VISCODE2 character Translated visit code
EXAMDATE Date Date: YYY-MM-DD
RGCONDCT character Was this visit conducted? 1=Yes ; 0=No Decoded Value: Yes
VISTYPE character Visit Type
ADNIGO, ADNI2: 1=Standard ; 2=Non-standard ; 3=Not done
ADNI3, ADNI4: 1=In Clinic Visit ; 2=Telephone Visit ; 3=Telephone Neuropathology Follow-up ; 4=Not done
Decoded Value: Yes
RGSTATUS character Was a screening visit/ADNI2 initial visit performed? 1=Yes ; 0=No Decoded Value: Yes
RGREASON character If visit is not done, or telephone visit is done in place of an In-clinic visit, provide reason.
ADNI1, ADNIGO, ADNI2: 1=Illness ; 2=Participant unavailable ; 3=Participant unwilling ; 4=Administrative problems ; 5=Withdrawn Consent ; 6=Other (specify)
ADNI3: 1=Illness ; 2=Participant unavailable ; 3=Participant unwilling ; 4=Administrative problems ; 5=Withdrawn Consent ; 6=Other (specify) ; 10=COVID-19 Participant's Illness ; 11=COVID-19 Participant - pandemic disruptions ; 12=COVID-19 Site closure due to pandemic
ADNI4: 1=Illness ; 10=COVID-19 Participant's Illness ; 11=COVID-19 pandemic disruptions ; 12=COVID-19 Site closure due to pandemic ; 2=Participant unavailable ; 3=Participant unwilling ; 4=Administrative problems ; 5=Withdrawn Consent ; 6=Other (specify)
Decoded Value: Yes
RGSOURCE character Who participated in this visit? 1=Participant ; 2=Study Partner ; 3=Both Decoded Value: Yes
RGRESCRN character Is this a rescreen?
ADNI1, ADNIGO, ADNI2: 1=Yes ; 0=No
ADNI3, ADNI4: 0=No ; 1=Yes
Decoded Value: Yes
RGPREVID character If Yes, what was the participant's initial ID number?
CHANGTR character Would you like to change this visit's track or the participant's visit schedule? 0=No ; 1=Yes, change this visit's track ; 2=Yes, change ADNI1 continuing participant's visit schedule Decoded Value: Yes
CGTRACK character Please select from the following visit's tracks: -4=No selection ; 1=standard eMCI visit ; 2=standard ADNI1 continuing visit(start at m36) ; 3=standard ADNI1 continuing visit(start at m48) ; 4=standard ADNI1 continuing visit(start at m60) ; 5=flexible ; Decoded Value: Yes
CGTRACK2 character Please select from the following visit schedule: -4=No selection ; 2=start ADNIGO at m36 ; 3=start ADNIGO at m48 ; 4=start ADNIGO at m60 ; Decoded Value: Yes
PTSTATUS character Participant Status: 1=Active ; 2=Discontinued from follow up, will not return Decoded Value: Yes
PTTYPE character Type of transfer - Indicate if visit is related to a Permanent or Temporary Transfer 1=First visit conducted at new Home Site - Permanent transfer (not returning to site) ; 2=Visit conducted at alternate site - Temporary transfer (one or more visits done elsewhere, participant will return to original site) ; 3=Visit conducted at Home Site Decoded Value: Yes
ID numeric Record ID Range value: 2, ..., 187099
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: annual, sc
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