The Time-Dependent Bias and its Effect on Extra Length of Stay due to Nosocomial Infection

Many studies disregard the time dependence of nosocomial infection when examining length of hospital stay and the associated financial costs. This leads to the “time-dependent bias,” which biases multiplicative hazard ratios. We demonstrate the time-dependent bias on the additive scale of extra leng...

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Bibliographic Details
Published in:	Value in health Vol. 14; no. 2; pp. 381 - 386
Main Authors:	Barnett, Adrian G., Beyersmann, Jan, Allignol, Arthur, Rosenthal, Victor D., Graves, Nicholas, Wolkewitz, Martin
Format:	Journal Article
Language:	English
Published:	United States Elsevier Inc 01.03.2011
Subjects:	Aged Argentina Bias Computer Simulation Cost Cross Infection - economics Cross Infection - therapy Decision Making Female Health-care decision makers Hospital Hospital Costs Humans Infection Control - economics Infection Control - standards Intensive Care Units - economics Intensive Care Units - statistics & numerical data Internal Medicine Length of Stay - economics Length of Stay - statistics & numerical data Linear Models Male Middle Aged Patient Admission - economics Patient Admission - statistics & numerical data Proportional Hazards Models Prospective Studies Statistics Time Factors Health-care decision makers Hospital Cost Statistics
ISSN:	1098-3015, 1524-4733, 1524-4733
Online Access:	Get full text
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