Computational and Mathematical Methods in Medicine / 2014 / Article / Tab 3

Research Article

A Note regarding Problems with Interaction and Varying Block Sizes in a Comparison of Endotracheal Tubes

Table 3

Least squares adjusted means for each type of tube using an additive model or an interaction model.

Dependent variablesAdditive modelInteraction model
Parker Flex-Tip Standard ETTParker Flex-Tip Standard ETT

Time for ETT insertion (sec)10.812.312.011.1
Number of redirections0.82.31.11.0
Difficulty of insertion rating16.319.421.614.0

Note. The adjusted means were obtained using the General Linear Model ANOVA platform in Minitab V.16 and are the same as those obtained using PROC GLM in SAS V.9.3.

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