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economics, entrepreneurship, and international business.1.2. Structure of Business ExamsBusiness exams are often a mix of theoretical knowledge and practical
application. Depending on the subject area, these exams can vary significantly
1. In conversations with her patients, a physical thera- Linear regression
pist notices that patients who are on Workman's Com-
pensation and have supportive supervisors, eager for
them to return to work, have more positive outcomes
in rehabilitation than those patients whose supervi-
sors have a negative attitude toward their employee's
injury: insisting they not return to work until they are
at 100% because if anything less they are "useless to
the job".
What type of test could the therapist use to see if these
two factors have a measurable relationship?
2. Data analysts at a large metropolitan hospital need Regression analysis
to determine risk factors associated with readmission
within 30 days via the hospital's emergency room
among patients with COPD. The variables of interest
include age, gender, race/ethnicity, insurance status,
and family support. Which statistical technique should
be used?
3. Several community health centers across a rural state ANOVA
are gathering data on their pre-diabetic patients and
using A1c levels as a baseline measurement to include
patients in a research project. Three different inter-
ventions will be applied.
One group of patients will receive a special diet to
follow; the second group will work with physical ther-
apists on a regular exercise program; the third group
will follow the diet and engage in the exercise.
, Which statistical test will be appropriate to use to de-
termine which treatment is most effective in control-
ling pre-diabetes? economics, entrepreneurship, and international business.1.2. Structure of Business
ExamsBusiness exams are often a mix of theoretical knowledge and practical application. Depending on the subject area, these exams can vary
significantly
time series
4. A hospital CFO is analyzing the cost benefits of using
the patient reminder system, which was implemented
over a year ago, to see if the automated system results
in less missed appointments ("no-shows").
She is comparing quarterly reports from this past
year on volume of patients who did not show up to
their appointments, to the volume of patients of the
previous year, who did not show up to their appoint-
ments, to see if the automated system has proven
effective. She is considering other variables as she
reviews the data, but is primarily analyzing the num-
ber of "no-show" patients from last year's quarterly
reports to this year's.
Cross-sectional
5. There are two standard treatments for children with
ADHD who display a specific set of characteristics.
One treatment is a cognitive behavioral intervention,
and the other is a dietary and biomedical interven-
tion. Both treatments have equally strong clinical evi-
dence supporting their efficacy. A researcher propos-
es a comparison of the two interventions to determine
which is preferable. The children will be randomized to
one of two groups: half of the children will receive the
cognitive behavioral intervention and the other half
of the children will receive the dietary and biomedical
intervention. Which test is appropriate to determining
the preferable treatment?
, 6. The vice president, CMO, and Operations Team col- The mean (average)
lected data on resources used by patients who have length of stay and
undergone coronary bypass and the length of stays
for a defined population of patients who received The mean number of
CABG surgery. Since the raw data is complex to dis- providers seeing each pa-
cuss and evaluate, the team will use descriptive statis- tient each day
tics to analyze the data to support their decisions for
recommendations.
Which of the following descriptive statistics could
prove the most useful?
7. Operates through CDC; the National Health Care Sur- National Healthcare Sur-
veys are designed to answer key questions of interest vey
to health care policy makers, public health profession-
als, and researchers.
8. Operates through the CDC: data on birth, death, mar- National Center for Health
riages, divorces, and fetal deaths. Statistics (NCHS)
9. Incidence and prevalence of diseases, survival sta- Public Health Databases
tistics, high-risk populations, trends over time. Data
gathered from medical records, surveys, interviews.
NCHS has responsibility for these databases. economics,
entrepreneurship, and international business.1.2. Structure of Business ExamsBusiness exams are often a mix of theoretical knowledge and
practical application. Depending on the subject area, these exams can vary significantly
National Practitioner Data
10. This database is queried as part of the physician cre- Bank (NPDB)
dentialing process when applying for medical staff
privileges and every two years afterward. It contains
data on medical malpractice, adverse licensure ac-
tions, suspensions, certain professional review ac-
tions, such as denial of medical staff privileges.
Medicare Provider Analy-
11. Acute care and skilled nursing facility claims data. sis and Review (MEDPAR)
Demographics on patient, information on provider,