The phrase "a ceiling ratio of" is correct and usable in written English.
It can be used in contexts related to finance, economics, or any situation where a maximum limit or threshold is being discussed.
Example: "The investment fund has established a ceiling ratio of 1.5 to ensure sustainable growth without excessive risk."
Alternatives: "a maximum ratio of" or "an upper limit of".
For patient perceived recovery, the 50%-probability corresponds with a ceiling ratio of €20,000.
For a ceiling ratio of £30 000, SC has a 100% probability to be cost-effective.
The cost-effectiveness acceptability curve show that the probability of acceptance is 68% at a ceiling ratio of €80,000/QALYY gained and 22% at a ceiling ratio of € 40,000/QALY gained from the societal perspective.
The cost-effectiveness acceptability curve shows that the probability of cost-effectiveness was 85% at a ceiling ratio of €80,000/QALYY gained and 59% at a ceiling ratio of € 40,000/QALY gained from the societal perspective.
At a ceiling ratio of €8,000 per QALY gained, the probability of cost-utility of the intervention was 93%.
At the higher end, probability of cost-utility was 89% at a ceiling ratio of €80,000 per QALY gained.
Posaconazole is considered cost-effective relative to fluconazole when the incremental cost per QALY gained is below a defined ceiling ratio of cost-effectiveness.
Either one of I-FOBT screenings was more cost-effective than all competing screening strategies for a given ceiling ratio of more than US$19,838/LYs or US$2976/QALYs gained.
For a given ceiling ratio of λ, which is the maximum amount of willingness-to-pay per effectiveness gain [ 58], the optimal strategy was defined as the one with the highest ICER value below λ, compared to the next less effective strategy on the efficiency frontier.
Please see Figure 1 for charts 1 and 2 below show the probability that the cost per year of life expectancy gained, or the cost per year of quality adjusted life expectancy gained, is below any given value of a ceiling ratio (a willingness to pay).
In the Netherlands an informal ceiling ratio of €80,000 per QALY exists (Dutch Council for Public Health and Health Care 2006), and for preventive care programs of €20,000 per QALY.
