Statistical Analysis of a Clinical Question
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DNP Biostatistics Assignment: Statistical Analysis of a Clinical Question
Objective: To apply biostatistical methods to a real-world clinical question relevant to advanced nursing practice.
Instructions:
Part 1: Define Your Clinical Question (PICO Format) Develop a clearly defined clinical question using the PICO format (Population, Intervention, Comparison, Outcome). Example: In adult patients with hypertension (P), how does a nurse-led lifestyle intervention (I) compared to usual care (C) affect blood pressure levels (O)?
Part 2: Select a Dataset Use one of the following:
· A publicly available health dataset (e.g., CDC, NHANES, WHO)
· Simulated data provided by the instructor
· De-identified clinical data with appropriate IRB clearance
Part 3: Perform Descriptive Analysis
· Summarize key demographic variables
· Report measures of central tendency (mean, median) and variability (standard deviation, range)
· Create at least 2 visualizations (e.g., histogram, box plot, bar chart)
Part 4: Conduct Inferential Analysis Choose an appropriate statistical test to answer your clinical question:
· T-test, chi-square, ANOVA, correlation, linear/logistic regression, etc.
· Justify your choice of test
· Report the test statistic, p-value, and interpret the result
Part 5: Interpretation and Clinical Relevance Write a brief discussion (300–500 words) explaining:
· What the statistical findings mean in the context of your clinical question
· Implications for nursing practice or healthcare decision-making
Deliverables:
· Typed report (5–7 pages), including tables/figures
· Appendix with code/output (if using statistical software like SPSS, R, or Excel
Fill in this sentence: Contribute a minimum of (number) pages. It should include at least (number) academic sources, formatted and cited in APA.
Select a rubric that matches the requirements of the assignment.
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