Question

Given the hypothetical cohort below, calculate the risk ratio,
the odds ratio and comment on the differences you see.

exposed |
not exposed |
||

Disease |
450 |
100 |
550 |

no disease |
550 |
900 |
1450 |

1000 |
1000 |
2000 |

Answer #1

Using the data below calculate the risk difference, the risk
ratio and the odds ratio. Discuss the overall results (Table 1) and
the results of the cohort stratified by smoking. Discuss the
estimates of risk difference, risk ratios, and odds ratios.
Interpret and discuss the meaning of the stratified results.
Gastric Cancer
Yes
No
Smoke
Yes
150
150
30
No
50
700
75
RD =
RR =
OR=
You stratify by Smoking with the below numbers:
Gastric Cancer...

As part of an association study, you are asked to calculate the
odds ratio of the X allele being associated with the brown eye
trait in the Stony Brook student population. There are only two
alleles at the relevant locus (X and Z). Out of 400 students
sampled, 300 have brown eyes. Of all the students sampled, 150 have
the X allele. 100 of the 150 students with the X allele also have
brown eyes. Calculate the odds ratio of...

3. A cohort study of smoking and bladder cancer was conducted in
a small island population. There were a total of 1000 people on the
island. Four hundred were smokers and 600 were not. Fifty of the
smokers developed bladder cancer. Ten of the nonsmokers developed
bladder cancer.
C. 1. Which measure of comparison would you use to describe the
absolute effect of smoking on the risk of bladder cancer among
smokers? 2. What is the formula for this measure...

The table below provides empirical findings from the RAND Health
Insurance Experiment. Calculate the elasticity starting with the
change from 50 to 100) for Acute Care and Well Care. Assuming acute
care is “necessary,” do your elasticities conform to economic
theory? Why don’t consumers with “free care” (i.e., a deductible
=0) consume more? (Please make a table for your numerical
answers—you can do this in EXCEL or on paper and take a
picture.)
Deductible Acute Care Visits Well
Visits
0 ...

Assume there is treatment for Disease X and costs related to
this treatment is given below: (3 points)
Service
Costs
Travel cost to specialized testing site
$75
Wage loss due to time off to get treatment
$250
Treatment covered by health insurance plan
$500
Out-of-pocket medical cost for treatment
$200
Emotional pain
$200
Calculate the total costs from the societal perspective
Calculate the total costs from the healthcare insurance
perspective
Calculate the total costs from the patient perspective?
3Is the...

The balance sheets of ABD Inc. and C Corporation on December 31,
2017 are given below:
ABD Inc.
C Corp.
Assets
Cash
$800
$-0-
Account receivable
-0-
900
Inventory
700
-0-
Current assets
1,500
900
Plant & equipment, net
-0-
1,200
Total
$1,500
$2,100
Liabilities and shareholders’ equity
Account payable
$600
$-0-
Long-term debt
-0-
1,500
Total liabilities
$600
$1,500
Common stock ($1 par)
500
500
Additional paid-in capital
100
-0-
Retained earnings
300
100
Total
$1,500
$2,100
(Required)
1.1...

Findings In a cohort of 2215 adults
with COVID-19 who were admitted to intensive care units at 65
sites, 784 (35.4%) died within 28 days, with wide variation among
hospitals. Factors associated with death included older age, male
sex, morbid obesity, coronary artery disease, cancer, acute organ
dysfunction, and admission to a hospital with fewer intensive care
unit beds.
Meaning This study identified
demographic, clinical, and hospital-level factors associated with
death in critically ill patients with COVID-19 that may be used to...

Calculate the Y values corresponding to the X values given
below. Find the critical values for X for the given polynomial by
finding the X values among those given where the first derivative,
dy/dx = 0 and/or X values where the second derivative,
d2y/dx2 = 0. Be sure to indicate the sign (+
or -) of dy/dx and of d2y/dx2 tabled values.
Reference Power Point Lesson 13 as needed. Using the first and
second derivative tests with the information you...

please show work thank you!!!!!!!
1. Bank of RGV is a successful
regional bank with common equity share outstanding 1 million. It
pays $10 dividend each year and expected to grow 5% in period 1.
The appropriate discount rate to reflect shareholder risk is 10%.
Answer below question using below data pertains to Bank of RGV:
Below numbers are in 1000’s.
Balance
sheet
Income statement
Cash
$100
Interest income
$400
Securities investments
$600
interest expense...

Homework
Draw class diagrams for your HW4 - the Tetris Game shown
below:
Part 1: UML As a review, Here are some links to some
explanations of UML diagrams if you need them.
•
https://courses.cs.washington.edu/courses/cse403/11sp/lectures/lecture08-uml1.pdf
(Links to an external site.)
• http://creately.com/blog/diagrams/class-diagram-relationships/
(Links to an external site.)
• http://www.cs.bsu.edu/homepages/pvg/misc/uml/ (Links to an
external site.) However you ended up creating the UML from HW4,
your class diagram probably had some or all of these features:
• Class variables: names, types, and...

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