Health outcomes Flashcards
Types of health outcome?
record based e.g. mortality and disease incidence
Biological and clinical
Clinician and patient reported e.g QoL
Validity
They must measure accurately what they report to measure
Include all relevant concepts
Be valid for target populations
Reliability
Test-retest; would give same sample repeatedly
Inter-rater: different assessors using the same outcome measure give the same result
Responsiveness
Must detect real changes in outcomes when they occur
What are the issues in analysis?
data properties- ordinal, categorical?
What are we testing
Typically interested in: effect size (magnitude of change in outcome) and statistical tests of different P values
Measuring constructs in health?
Symptoms, functioning and QoL
What are patient reported outcomes?
quality from the patients perspective e.g questionnaire
What are health outcomes used for?
identify effective and non effective treatments
Identify national and international variations- promote equality
Monitor performance