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FNIH Biomarkers Consortium Plasma Abeta Project: Quanterix

Source: R/data.R
PLASMA_ABETA_PROJECT_QUANTERIX.Rd

FNIH Biomarkers Consortium Plasma Abeta Project: Quanterix data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(PLASMA_ABETA_PROJECT_QUANTERIX)

Format

A data frame with 131 observations and 31 variables.

Source

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

Details

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

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

  • VISCODE character Visit code , with options: v41, v51, init, v21

  • VISCODE2 character Translated visit code , with options: m120, m132, m108, m72, m84, m60, m48, m24

  • EXAMDATE Examination Date Date: YYY-MM-DD

  • GUSPECID character

  • VID numeric Range value: 0, ..., 14

  • DER character , with options: PLA

  • DRAWTIME hms: HH-MM-SS

  • SAMPLE_ID character

  • AB1_40_RUN numeric Indicates the analytical run in which the sample was analyzed for AB1-40 Range value: 1, ..., 5

  • AB1_40_AEB_REP1 numeric AB1-40 average enzymes per bead, replicate 1 value Range value: 0.736, ..., 5.693

  • AB1_40_AEB_REP2 numeric AB1-40 average enzymes per bead, replicate 2 value Range value: 0.685, ..., 5.688

  • AB1_40_AVE_AEB numeric AB1-40 average of the AEB replicate values Range value: 0.711, ..., 5.691

  • AB1_40_CONC_REP1 numeric AB1-40 calibrated concentration in pg/mL for replicate 1 Range value: 44.5, ..., 142

  • AB1_40_CONC_REP2 numeric AB1-40 calibrated concentration in pg/mL for replicate 2 Range value: 42.7, ..., 142

  • AB1_40_AVE_CONC numeric AB1-40 average of the calibrated concentrations Range value: 43.6, ..., 142

  • AB1_40_DILUTION_FACTOR numeric AB1-40 dilution factor. Plasma samples were diluted 4-fold. Range value: 4, ..., 4

  • AB1_40_DILUTION_CORRECTED_CONC numeric Dilution corrected AB1-40 concentration of analyte in pg/mL Range value: 174, ..., 567

  • AB1_40_RUN_NOTES character Notes on acceptance criteria or retesting for AB1-40 assay , with options: One replicate lost, One Replicate Lost, Both replicates lost, retested on run 5, Retest from run 4

  • AB1_42_RUN numeric Indicates the analytical run in which the sample was analyzed for AB1-42 Range value: 1, ..., 5

  • AB1_42_AEB_REP1 numeric AB1-42 average enzymes per bead, replicate 1 value Range value: 0.118, ..., 0.543

  • AB1_42_AEB_REP2 numeric AB1-42 average enzymes per bead, replicate 2 value Range value: 0.128, ..., 0.571

  • AB1_42_AVE_AEB numeric AB1-42 average of the AEB replicate values Range value: 0.123, ..., 0.557

  • AB1_42_CONC_REP1 numeric AB1-42 calibrated concentration in pg/mL for replicate 1 Range value: 0.989, ..., 6.16

  • AB1_42_CONC_REP2 numeric AB1-42 calibrated concentration in pg/mL for replicate 2 Range value: 1.08, ..., 6.46

  • AB1_42_AVE_CONC numeric AB1-42 average of the calibrated concentrations Range value: 1.03, ..., 6.31

  • AB1_42_DILUTION_FACTOR numeric AB1-42 dilution factor. Plasma samples were diluted 4-fold. Range value: 4, ..., 4

  • AB1_42_DILUTION_CORRECTED_CONC numeric Dilution corrected AB1-42 concentration in pg/mL Range value: 4.13, ..., 25.2

  • AB1_42_RUN_NOTES character Notes on acceptance criteria or retesting for AB1-40 assay , with options: One Replicate Lost

  • update_stamp POSIXct: YYY-MM-DD

Author

adni-data@googlegroups.com