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C2N Diagnostics - PrecivityAD2 Blood Test Results for Aβ42/40 and p-tau217/np-tau217 ratios ADNI4

Source: R/data.R
C2N_PRECIVITYAD2_PLASMA.Rd

C2N Diagnostics - PrecivityAD2 Blood Test Results for Aβ42/40 and p-tau217/np-tau217 ratios [ADNI4] data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(C2N_PRECIVITYAD2_PLASMA)

Format

A data frame with 676 observations and 19 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: ADNI4

  • PTID character Patient ID

  • RID numeric Participant roster ID Range value: 21, ..., 10470

  • VISCODE character Visit code NA = Not Available

  • VISCODE2 character Translated visit code NA = Not Available

  • EXAMDATE Examination Date Date: YYY-MM-DD

  • Primary character , with options: BLD

  • Additive character , with options: EDT

  • pT217_C2N numeric Range value: 0.65, ..., 19.358

  • npT217_C2N numeric Range value: 13.651, ..., 186.402

  • AB42_C2N numeric C2N Abeta 42 concentration -4 = Not Available

  • AB40_C2N numeric C2N Abeta 40 concentration -4 = Not Available

  • AB42_AB40_C2N numeric C2N Abeta 42/40 ratio -4 = Not Available

  • pT217_npT217_C2N numeric Range value: 0.55, ..., 27.76

  • APS2_C2N numeric Amyloid Probability Score 2 (APS2) result for PrecivityAD2™ -4 = Not Available

  • APOE_C2N character APOE proteotype , with options: E3/E3, E3/E4, E2/E3, E4/E4, E2/E4, E2/E2, N/A

  • Comments character

  • update_stamp POSIXct: YYY-MM-DD

Author

adni-data@googlegroups.com