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[IC‐P‐209]: CAVEATS WHEN SUBTRACTING TWO SERIAL MEASUREMENTS TO ESTIMATE THE NUMBER OF PARTICIPANTS NEEDED FOR CLINICAL TRIALS THAT ARE LONGER OR SHORTER THAN THE OBSERVED MEASUREMENT INTERVAL
Author(s) -
Chen Kewei,
Xiong Chengjie,
Harvey Danielle,
Guo Xiaojuan,
Weiner Michael,
Jagust William J.,
Reiman Eric M.
Publication year - 2017
Publication title -
alzheimer's and dementia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.713
H-Index - 118
eISSN - 1552-5279
pISSN - 1552-5260
DOI - 10.1016/j.jalz.2017.06.2585
Subject(s) - subtraction , statistics , sample size determination , mathematics , standard deviation , confidence interval , type i and type ii errors , interval (graph theory) , multiplier (economics) , randomized controlled trial , medicine , arithmetic , combinatorics , economics , macroeconomics