L19 - secondary analysis of data Flashcards Preview

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Flashcards in L19 - secondary analysis of data Deck (12):
1

What do we mean by secondary analysis?

learning from data that was originally collected for another purpose

using data generated as a result of health care proceses or transactions

not using prospectively-specified data collection

2

What are some types of routine data?

medicare billing data

pharmacy dispensing data

computerised pathology report

the national inpatient minimum data set

3

How is routine hospital data created?

recording of:

principal disgnosis
secondary diagnoses (co-morbidities)

principal procedure
hospital-acquired complications

past history

medications

4

What happens to all the hospital data?

medical e-sheet send to patients GP. Hopefully given to patients family and aged care facilities

5

True or false

There is an international classification of diseases so these codes form the e-sheet

true

6

What is a DRG (used for research)?

Diagnosis-related groups - works off the principle diagnosis and principle procedure

Independent hospital pricing authority oversees classification for use in activity-based funding in Aus

7

DRG assignment logic runs through an ____

algorithm

8

Complicaions in a previous hospitalisation increase the risk of a

Complicaions in a previous hospitalisation increase the risk of a

9

What are the strengths of clinical/health serices research?

whole population of interest

consistent and audited data extraction

documented coding standard

no reruitment delay

low cost

hypothesis generation

10

What are the weaknesses of clinical/health serices research?

sample may be biased - particularly with only one hospital

retrospective; no opportunity
- intervene
-collect specific variables

Statistical but not 'randomised' control of confounding

clinician suspicion of coding process

11

What is meant by ''Big Data''?

''data mining'' ''text mining''

may consist of:

-met-data
-content data

generally required ''big' hardware capacity and sophisticated data management software

12

We can look at which DRGs and how they cluster arund certain _______

complications e.g

-CV
- post op
-obstetric
-neonatal