Questions Pertain to the Following Table (Table 8), Which Presents

question 11

Multiple Choice

Questions pertain to the following table (Table 8) , which presents fictitious results regarding selected risk factors for perineal dermatitis among elderly residents of a nursing home.
$\begin{array}{c}\text { Table } 8\\\text { Risk Factors for Perineal Dermatitis (PD) in Nursing Home Residents }(N=10,000) \\\begin{array}{r}{\text { Odds Ratio }} \quad\quad\quad\\\begin{array}{|l|c|c|c|c|c|c|}\hline \text { Risk F actor } & \begin{array}{c}\text { Residents } \\\text { with PD } \\(\%) \\(n=700) \end{array} & \begin{array}{c}\text { Residents } \\\text { without PD } \\(\%) \\(n=9300) \end{array} & \begin{array}{c}\text { Test } \\\text { Value }\end{array} & p & \text { OR } & 95 \% \text { CI } \\\hline \text { Perfusion problems } & 35.0 \% & 30.0 \% & 7.92 & .008 & 1.09 & 1.04-1.37 \\\hline \text { Oxygenation problems } & 25.0 \% & 18.4 \% & 17.6 & <.001 & 1.18 & 1.05-1.43 \\\hline \text { Fever } & 6.2 \% & 3.5 \% & 12.4 & <.001 & 1.41 & 1.10-1.79 \\\hline \text { Urinary incontinence } & 12.0 \% & 10.0 \% & 2.48 & ? & .81 & 0.70-1.17 \\\hline\end{array}\end{array}\end{array}$
-Refer to Table 8. Which test statistic was likely used in these analyses-that is, which statistic should be in the heading for the column "Test Value"?

• A) t
• B) U
• C) χ²
• D) It cannot be determined-there are several possibilities.

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Definitions:

Incremental Manufacturing Cost

Additional costs incurred for manufacturing one more unit of a product.

Financial Reporting

The communication of financial information, such as balance sheets and income statements, to stakeholders to help in decision-making.

Contribution Margin

The differential between sales and variable costs, indicative of a product's profitability before fixed costs are subtracted.

Variable Costs

Expenses that change in proportion to the activity of a business, such as costs for raw materials or production expenses, in contrast to fixed costs.