The purpose of this assignment is to help you to begin to
understand and apply the important counts, ratios, and statistics presented in
healthcare and epidemiological research. Remember to use the list of formulas
presented prior to the problems and to carefully consider the purpose of each
calculation and how it is interpreted. Guidelines and rubric are located in
Course Resources and via this link: NR704 W5 Secondary Prevention Screening
Calculations Guidelines WorksheetLinks to an external site..
Purpose
The purpose of this assignment is to help you to begin to
understand and apply the important counts, ratios, and statistics presented in
healthcare and epidemiological research. Remember to use the list of formulas
presented prior to the problems and to carefully consider the purpose of each
calculation and how it is interpreted. Course Outcomes
This assignment provides documentation of students’ ability
to meet the following course outcomes:
· (CO 3)
Synthesize ethical and legal principles regarding the collection, maintenance,
utilization, and dissemination of epidemiologic data. (PO 1)
· (CO 4)
Utilize appropriate public health terminology and definitions of epidemiology
necessary for intra-/interprofessional collaboration in advanced nursing
practice. (PO 8)
· (CO 6)
Differentiate biopsychosociopolitical and economic/environmental conditions
impacting epidemiologic perspectives that inform scientific, ethical, economic,
and political discussion of public health issues. (PO 1)
Points
The assignment is worth a total of 50 points.
Due Date
Submit your completed assignment by Sunday 11:59 p.m. MT of
Week 5 as directed.
Requirements
1. Complete the
risk calculation worksheet located at the end of this document.
2. For each
question, identify the correct answer.
3. Submit the
worksheet to the Dropbox by 11:59 p.m. MT on Sunday of Week 5.
Directions and Grading Criteria
Category
Points
%
Description
Item 1: Sensitivity of the physical examination
10
20
Application of the correct formula required
Item 2: Specificity of the physical examination
10
20
Application of the correct formula required
Item 3: True negatives + false negatives
10
20
Application of the correct formula required
Item 4: Positive Predictive value of the physical
examination
10
20
Application of the correct formula required
Item 5: True positives
10
20
Application of the correct formula required
Total:
50
100
Secondary Prevention Screening Calculations Worksheet
Prior to completing this worksheet, review the lessons,
reading, and course text up to this point. Also review the tables of
calculations. Each question is worth 10 points. Please show your work.
Biopsy Proven Breast Cancer
Biopsy Proven Breast Cancer
Physician Exam
Yes
No
Totals
Positive
900
400
1300
Negative
350
2,100
2,450
Totals
1,250
2,500
3,750
1. Sensitivity of
the physical examination
2. Specificity of
the physical examination
3. Negative
predictive value of the physical examination
4. Positive
predictive value of the physical examination
5. How can the
healthcare provider increase the positive predictive value of a screening test?
