Epidemiology and Biostatistics by Bryan Kestenbaum

Author:Bryan Kestenbaum
Language: eng
Format: epub
ISBN: 9783319974330
Publisher: Springer International Publishing

B.ANOVA test

C.Chi-square test

D.Test for interaction

A new test is developed to determine the presence of delirium among patients admitted to the intensive care unit (ICU). Researchers administer the test to 40 consecutive patients at the time of ICU admission and then follow these patients over time to determine their survival status. They find that the presence of delirium at ICU admission is associated with a 15% greater relative risk of death, compared with the absence of delirium; p-value = 0.55.109.What is the most likely conceptual reason for the statistically nonsignificant result?A.Type I error

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