Skip to contents

UCSF (Colin Studholme) Regional Atrophy Rates

Source: R/data.R
UCSFATRPHY.Rd

UCSF (Colin Studholme) Regional Atrophy Rates data. More information is available at https://adni.loni.usc.edu/data-samples/adni-data/

Usage

data(UCSFATRPHY)

Format

A data frame with 1721 observations and 13 variables.

Source

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

Details

  • ORIGPROT character Original study protocol , with options: ADNI1

  • RECNO numeric Range value: 1, ..., 1

  • RID numeric Range value: 3, ..., 1430

  • SITEID numeric Range value: 1, ..., 127

  • VISCODE1 character , with options: sc, bl

  • EXAMDATE1 Date: YYY-MM-DD

  • IMAGEUID1 numeric Range value: 8723, ..., 50770

  • VISCODE2 character , with options: m06, m12

  • EXAMDATE2 Date: YYY-MM-DD

  • IMAGEUID2 numeric Range value: 12037, ..., 60591

  • FLDSTRENG numeric Field Strength Range value: 1.5, ..., 3

  • PCTCHANGE numeric Summaries of regional atrophy rates between first and last scan (i.e. 12 month interval). There is one percent change for each subject summarizing changes in both temporal lobes together (minus superior temporal gyrus). Range value: -3.58032, ..., 2.4082

  • update_stamp POSIXct: YYY-MM-DD

Author

adni-data@googlegroups.com