Developing a Measure for Pulmonary Hypertension
Author Information
Author(s): Stephen P McKenna, Julie Ratcliffe, David M Meads, John E Brazier
Primary Institution: Galen Research Ltd
Hypothesis
Can a preference-based measure derived from the CAMPHOR be developed for cost-utility analyses in pulmonary hypertension?
Conclusion
The new measure can classify individuals into health states based on their responses and supports economic evaluations for interventions aimed at improving quality of life in pulmonary hypertension patients.
Supporting Evidence
- The CAMPHOR utility score distinguishes better between WHO functional classes than generic measures.
- The new measure showed excellent test-retest reliability (0.85).
- Statistical analysis indicated no systematic over- or underestimation of health state values.
Takeaway
Researchers created a new way to measure how people with pulmonary hypertension feel about their health, which can help doctors decide on treatments.
Methodology
The study involved selecting items from the CAMPHOR QoL scale, creating health states, and valuing them using the time trade-off technique with a representative sample of the UK adult population.
Potential Biases
Potential biases in self-reporting and selection of items for the measure.
Limitations
The study may not generalize beyond the UK population and relies on self-reported data.
Participant Demographics
Majority were female, married, and had education beyond the minimum school leaving age.
Statistical Information
P-Value
<0.001
Confidence Interval
95% CI for coefficients provided in results
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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