JSM 2003 Online Program

Abstract #302231

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Activity Number:	300
Type:	Contributed
Date/Time:	Tuesday, August 5, 2003 : 2:00 PM to 3:50 PM
Sponsor:	Biometrics Section
Abstract - #302231
Title:	Probability Threshold Estimates with Applications in Ultrasound Risk Assessment
Author(s):	Douglas G. Simpson*+ and Moon-ho Ringo Ho
Companies:	University of Illinois at Urbana-Champaign and University of Illinois at Urbana-Champaign
Address:	725 S Wright St., Champaign, IL, 61820-5710,
Keywords:	tobit regression ; risk assessment ; logistic regression ; ultrasound
Abstract:	Ultrasonically induced lung hemorrhage has been demonstrated in animal studies. Estimating the risk of lung hemorrhage is critical as the use of ultrasound imaging expands into new areas such as the diagnosis of a heart condition. We compare a traditional piecewise linear model approach to threshold estimation with a new method based on generalized tobit regression.

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