NR704 full course (all discussion and assignments) 2018

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?