Secondary
Prevention Screening Calculations
Guidelines
and Worksheet
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
Complete
the risk calculation worksheet located at the end of this document.
For each
question, identify the correct answer.
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
Sensitivity
of the physical examination
Specificity
of the physical examination
Negative
predictive value of the physical examination
Positive
predictive value of the physical examination
How can
the healthcare provider increase the positive predictive value of a screening
test?
