^aLate Extubation = More Than 5 Hours of Mechanical Ventilation

question 9

Multiple Choice

$\begin{array}{c}\text { Table } 5\\\text { Odds Ratios for Late Extubation }{ }^{\mathbf{a}} \text { after Cardiac Surgery, by Patient }\\\text { Characteristics }(N=673) \\\begin{array}{|l|c|c|c|c|}\hline & \begin{array}{c}\text { Extubation } \leq 5 \\\text { Hours (\%) }\end{array} & \begin{array}{c}\text { Extubation }>5 \\\text { Hours (\%) }\end{array} & \text { OR } & 95 \% \text { CI } \\\hline \text { Female patient } & 19.2 & 29.8 & 1.66 & 1.14-2.60 \\\hline \text { White patient } & 89.6 & 91.3 & 1.09 & 0.80-1.21 \\\hline \text { Hypertensive } & 62.7 & 73.9 & 1.58 & 1.09-2.24 \\\hline \text { Prior CABG } & 9.4 & 16.0 & 2.03 & 1.22-3.65 \\\hline\end{array}\end{array}$ ^aLate extubation = More than 5 hours of mechanical ventilation
-Refer to Table 5. Which of the following numbers is a point estimate for a risk index for delayed extubation?

• A) 19.2
• B) 29.8
• C) 1.66
• D) 1.14

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Definitions:

Infections

The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body and may cause disease or illness.

Microorganism

A simple form of life, commonly made up of a single cell and so small that it can be seen only with a microscope.

Pathogen

A microorganism capable of causing disease.

Prokaryotic Cells

Simple, single-celled organisms without a nucleus or other membrane-bound organelles, such as bacteria.