Which of the Following Older Patients Demonstrates Changes in Sleep

question 20

Multiple Choice

Which of the following older patients demonstrates changes in sleep patterns attributable to central sleep apnea?

• A) A patient who wakes up two to three times per night and is tired during the day
• B) A patient who reports sleeping less soundly and not feeling rested
• C) A patient who consistently awakens at 4 AM and goes to bed at 7 PM
• D) A patient who has irregular respiration during sleep and whose inspiratory muscles intermittently fail

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Definitions:

ANOVA

ANOVA, or Analysis of Variance, is a statistical method used to test differences between two or more means by analyzing variation within and between groups.

Means

Refers to the arithmetic average of a set of numbers, calculated as the sum of the numbers divided by the count of those numbers.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists among the tested groups or variables.

Chi-Square Test

A statistical test used to determine if there is a significant difference between observed frequencies and expected frequencies in categorized datasets.