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UPENN Plasma Biomarker Data data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(UPENNPLASMA)

Format

A data frame with 2453 observations and 6 variables.

Details

  • ORIGPROT character Original study protocol , with options: ADNI1

  • RID numeric Patient number Range value: 2, ..., 1427

  • VISCODE character Visit code , with options: bl, m12, m24, m36, m48, m06, m18

  • AB40 numeric Abeta1-40 result in plasma pg/mL

  • AB42 numeric Abeta1-42 result in plasma pg/mL

  • update_stamp POSIXct: YYY-MM-DD