median price ratio
- Guideline or reference source
- WHO Glossary
- Definition
- In the WHO/HAI survey measuring medicine prices, availability, affordability and price components, medicine prices found are not expressed as currency units, but rather as ratios relative to a standard set of international reference prices.The ratio is thus an expression of how much greater or less the local medicine price is than the international reference price, e.g. an MPR of 2 would mean that the local medicine price is twice that of the international reference price. Median price ratios facilitate cross-country comparisons of medicine price data. Since averages can be skewed by outlying values, median values are a better representation of the midpoint value. The magnitude of price variations is presented as the interquartile range. A quartile is a percentile rank that divides a distribution into four equal parts. The range of values containing the central half of the observations, that is, the range between the 25th and 75th percentiles, is the interquartile range.
- Abbreviation for
- MPR
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