Exam (elaborations)
CHDA Chapter 8 Questions and Answers
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Exam of 4 pages for the course CHDA at CHDA (CHDA Chapter 8)
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CHDA Chapter 8Exploratory data analysis is used regularly in the healthcare setting to find trends. It is
also called - answerData mining and is performed using descriptive statistics
A common way to aggregate data about MS-DRGs is - answerTo calculate the case mix
index (CMI)
The CMI describes the patient population - answerIn a single number
Many facilities use a threshold of a 2% change in the CMI, in either positive or
negative , In a given period - answerAs the trigger for comprehensive evaluation
The CMI can also be calculated and tracked by - answerthe 25 MDCs into which all MS-
DRGs are divided
A complication - answeris a medical condition that arises during an inpatient
hospitalization
Comorbidity is a pre-existing condition - answerThat because of its presence causes an
increase in length of stay by at least one day
Complication or comorbidity capture rate - answerIs the number of patients with CCs
compared to all patients in the population
The CC capture rate is a valuable tool - answerIn measuring the overall severity of
patients served by the facility
Hospitals frequently look at MS-DRG data for comparisons - answerBetween payments
and charges or average length of stay and actual length of stay
Present on admission indicator (POA) - answerIdentifies those conditions that arose
following the patient's admission
Hospital-acquired condition (HAC) is a condition - answerThat is not present at the time
of inpatient admission
To determine the potential impact on the facility, the data analyst would analyze those
HAC's that were - answerCoded the same way in past years to determine the extent of
potential loss revenue
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