WGU C985 Health Care Analytics
Questions And Answers With Verified
Solutions Already Passed (GRADED A+)
Linear regression
Question: In conversations with her patients, a physical therapist notices that
patients who are on Workman's Compensation and have supportive supervisors,
eager for them to return to work, have more positive outcomes in rehabilitation
than those patients whose supervisors 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?
Answer: Regression analysis
Regression analysis
Question: Data analysts at a large metropolitan hospital need 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?
Answer: Regression analysis
ANOVA
Question: Several community health centers across a rural state 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 interventions will be applied.
One group of patients will receive a special diet to follow; the second group will
work with physical therapists 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 determine which treatment is
most effective in controlling pre-diabetes?
Answer: ANOVA
,Time series
Question: 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 appointments, to see if the automated system
has proven effective. She is considering other variables as she reviews the data, but
is primarily analyzing the number of "no-show" patients from last year's quarterly
reports to this year's.
Answer: Time series
Cross-sectional
Question: 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 intervention. Both
treatments have equally strong clinical evidence supporting their efficacy. A
researcher proposes 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?
Answer: Cross-sectional
Descriptive Statistics
Question: The vice president, CMO, and Operations Team collected data on
resources used by patients who have undergone coronary bypass and the length of
stays for a defined population of patients who received CABG surgery. Since the
raw data is complex to discuss and evaluate, the team will use descriptive statistics
to analyze the data to support their decisions for recommendations.
Which of the following descriptive statistics could prove the most useful?
Answer: The mean (average) length of stay and the mean number of providers
seeing each patient each day
, National Healthcare Survey
Question: Operates through CDC; the National Health Care Surveys are designed
to answer key questions of interest to health care policy makers, public health
professionals, and researchers.
Answer: National Healthcare Survey
National Center for Health Statistics (NCHS)
Question: Operates through the CDC: data on birth, death, marriages, divorces,
and fetal deaths.
Answer: National Center for Health Statistics (NCHS)
Public Health Databases
Question: Incidence and prevalence of diseases, survival statistics, high-risk
populations, trends over time. Data gathered from medical records, surveys,
interviews. NCHS has responsibility for these databases.
Answer: Public Health Databases
National Practitioner Data Bank (NPDB)
Question: This database is queried as part of the physician credentialing process
when applying for medical staff privileges and every two years afterward. It
contains data on medical malpractice, adverse licensure actions, suspensions,
certain professional review actions, such as denial of medical staff privileges.
Answer: National Practitioner Data Bank (NPDB)
Medicare Provider Analysis and Review (MEDPAR)
Question: Acute care and skilled nursing facility claims data. Demographics on
patient, information on provider, on Medicare coverage for the claim, total charges,
charges broken down, codes and diagnostic related group (DRG) data. Only
contains data on Medicare patients.
Answer: Medicare Provider Analysis and Review (MEDPAR)
Questions And Answers With Verified
Solutions Already Passed (GRADED A+)
Linear regression
Question: In conversations with her patients, a physical therapist notices that
patients who are on Workman's Compensation and have supportive supervisors,
eager for them to return to work, have more positive outcomes in rehabilitation
than those patients whose supervisors 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?
Answer: Regression analysis
Regression analysis
Question: Data analysts at a large metropolitan hospital need 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?
Answer: Regression analysis
ANOVA
Question: Several community health centers across a rural state 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 interventions will be applied.
One group of patients will receive a special diet to follow; the second group will
work with physical therapists 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 determine which treatment is
most effective in controlling pre-diabetes?
Answer: ANOVA
,Time series
Question: 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 appointments, to see if the automated system
has proven effective. She is considering other variables as she reviews the data, but
is primarily analyzing the number of "no-show" patients from last year's quarterly
reports to this year's.
Answer: Time series
Cross-sectional
Question: 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 intervention. Both
treatments have equally strong clinical evidence supporting their efficacy. A
researcher proposes 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?
Answer: Cross-sectional
Descriptive Statistics
Question: The vice president, CMO, and Operations Team collected data on
resources used by patients who have undergone coronary bypass and the length of
stays for a defined population of patients who received CABG surgery. Since the
raw data is complex to discuss and evaluate, the team will use descriptive statistics
to analyze the data to support their decisions for recommendations.
Which of the following descriptive statistics could prove the most useful?
Answer: The mean (average) length of stay and the mean number of providers
seeing each patient each day
, National Healthcare Survey
Question: Operates through CDC; the National Health Care Surveys are designed
to answer key questions of interest to health care policy makers, public health
professionals, and researchers.
Answer: National Healthcare Survey
National Center for Health Statistics (NCHS)
Question: Operates through the CDC: data on birth, death, marriages, divorces,
and fetal deaths.
Answer: National Center for Health Statistics (NCHS)
Public Health Databases
Question: Incidence and prevalence of diseases, survival statistics, high-risk
populations, trends over time. Data gathered from medical records, surveys,
interviews. NCHS has responsibility for these databases.
Answer: Public Health Databases
National Practitioner Data Bank (NPDB)
Question: This database is queried as part of the physician credentialing process
when applying for medical staff privileges and every two years afterward. It
contains data on medical malpractice, adverse licensure actions, suspensions,
certain professional review actions, such as denial of medical staff privileges.
Answer: National Practitioner Data Bank (NPDB)
Medicare Provider Analysis and Review (MEDPAR)
Question: Acute care and skilled nursing facility claims data. Demographics on
patient, information on provider, on Medicare coverage for the claim, total charges,
charges broken down, codes and diagnostic related group (DRG) data. Only
contains data on Medicare patients.
Answer: Medicare Provider Analysis and Review (MEDPAR)
