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A model for variability in arteriographic reading
Author(s) -
Hertzberg Vicki Stover,
Fisher Lloyd D.
Publication year - 1986
Publication title -
statistics in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.996
H-Index - 183
eISSN - 1097-0258
pISSN - 0277-6715
DOI - 10.1002/sim.4780050609
Subject(s) - estimator , class (philosophy) , stenosis , data set , cumulative distribution function , set (abstract data type) , cardiology , mathematics , statistics , computer science , medicine , artificial intelligence , probability density function , programming language
We propose a class of models for the joint cumulative distribution function (c.d.f.) of the values of two independent readings of percentage stenosis from a coronary arteriography. We show that these models are identifiable and that a certain subclass has unique consistent estimators for the parameters in question. We obtain these estimates for a data set from a substudy of the Coronary Artery Surgery Study (CASS).