Skip to contents

Plasma Amyloid Beta (1-42/1-40) Ratio Biomarker Feasibility Study - Fujirebio Lumipulse data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(FUJIREBIOABETAPLASMA)

Format

A data frame with 514 observations and 11 variables.

Details

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

  • RID numeric Participant roster ID Range value: 31, ..., 5263

  • VISCODE character Record time of visit , with options: v41, v51, init, v21, v52

  • VISCODE2 character Record time of visit by month

  • EXAMDATE Record time of visit by date Date: YYY-MM-DD

  • SPECIMEN_TYPE character Specimen sample type - plasma , with options: Plasma

  • ANALYTE character Biomarker analyte tested , with options: AB142P, AB140P

  • COUNT numeric Sample count Range value: 8339, ..., 204336

  • CONCENTRATION numeric Concentration of biomarker in pg/ml Range value: 14.57, ..., 555.7

  • MM_NUMBER numeric For samples tested in duplicate sample test 1 or 2 Range value: 1, ..., 2

  • update_stamp POSIXct: YYY-MM-DD