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UPENN - Plasma Biomarkers (Aβ42, Aβ40, ptau217, NfL, GFAP) measured by Fujirebio & Quanterix ADNI1,GO,2,3,4

Source: R/data.R
UPENN_PLASMA_FUJIREBIO_QUANTERIX.Rd

UPENN - Plasma Biomarkers (Aβ42, Aβ40, ptau217, NfL, GFAP) measured by Fujirebio & Quanterix [ADNI1,GO,2,3,4] data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(UPENN_PLASMA_FUJIREBIO_QUANTERIX)

Format

A data frame with 1728 observations and 17 variables.

Source

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

Details

  • ORIGPROT character Original study protocol , with options: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4

  • COLPROT character Study protocol of data collection , with options: ADNI1, ADNI2, ADNI4, ADNI3, ADNIGO

  • PTID character Patient ID

  • RID numeric Participant roster ID Range value: 2, ..., 10470

  • VISCODE character Visit code

  • VISCODE2 character Translated visit code

  • EXAMDATE Examination Date Date: YYY-MM-DD

  • Primary character , with options: BLD

  • Additive character , with options: EDT

  • pT217_F numeric Range value: 0.03, ..., 5.555

  • AB42_F numeric ABeta42 measured by Fujirebio -4=Insufficient sample

  • AB40_F numeric ABeta40 measured by Fujirebio -4=Insufficient sample

  • AB42_AB40_F numeric ABeta42/40 ratio measured by Fujirebio -4=Insufficient sample

  • pT217_AB42_F numeric Range value: 0.00074, ..., 0.215060008

  • NfL_Q numeric Range value: -5, ..., 278

  • GFAP_Q numeric Glial fibrillary acidic protein measured by Quanterix -4=Insufficient sample ; -5=Sample quantity not sufficient

  • update_stamp POSIXct: YYY-MM-DD

Author

adni-data@googlegroups.com