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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
level of efficacy
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "level of efficacy" is correct and usable in written English.
It can be used when discussing the effectiveness or performance of a particular method, treatment, or intervention. Example: "The study aimed to assess the level of efficacy of the new drug compared to the existing treatment."
✓ Grammatically correct
Science
News & Media
Alternative expressions(18)
degree of effectiveness
extent of impact
measure of success
level of efficiency
success rate
performance level
level of discipline
level of giftedness
level of activity
level of consciousness
level of discord
level of trust
level of skepticism
level of withdrawal
level of service
level of commitment
level of intensity
level of loyalty
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
I agree with Frank's description of its level of efficacy.
News & Media
(This level of efficacy — far from ideal — is typical across a range of conditions in which antidepressants outperform placebos).
News & Media
Interventions with the same level of efficacy, safety or tolerability are shown in the same color.
Indeed, we believe that tSNS could be considered a first choice therapy in selected migraine populations due to the high level of efficacy and safety.
Unfortunately, in the last decade, there have been no new migraine preventive drugs, with a good level of efficacy and safety, that can be used in clinical practice.
A hypothesis for the unprecedented level of efficacy is proposed based on considerations of β2-adrenoceptor crystal structure, other biophysical data and modeling studies.
As regards prophylactic treatment, topiramate has recently displayed a good level of efficacy, safety and tolerance (Level A), while flunarizine (Level A) and valproate (Level B) were already included in the previously published guidelines [7 9].
Based on these results, the global scientific HIV vaccine community has spent the last several years looking at ways to improve and maintain that higher level of efficacy.
News & Media
The combination of two mAbs expanded the breadth of protection with a high level of efficacy and safety associated with potential immune escape variants.
Science
Although the efficacy of pre-pandemic vaccine remains uncertain, pre-pandemic vaccination should still be useful even at a low level of efficacy [27].
Science
Therefore, currently licensed influenza vaccines can vary widely in their level of efficacy from year to year due to selection of a vaccine strain does not sufficiently match the circulating virus strain within a population.
Science
Expert writing Tips
Best practice
When discussing the results of a study or experiment, use "level of efficacy" to clearly communicate the degree to which an intervention or treatment was successful. For example: "The study aimed to determine the level of efficacy of the new vaccine."
Common error
Avoid using "level of efficiency" when you mean "level of efficacy". Efficacy refers to the ability to produce a desired result, while efficiency refers to the ability to do so without wasting resources. Choose the term that best reflects what you're measuring.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "level of efficacy" functions as a noun phrase that describes the degree or extent to which something is effective. As Ludwig AI points out, this phrase is widely used and generally considered correct.
Frequent in
Science
67%
News & Media
23%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "level of efficacy" is a grammatically sound and frequently used phrase, particularly in scientific and news contexts, to denote the degree to which something is effective. Ludwig AI confirms its correct usage. While alternatives like "degree of effectiveness" exist, it's important to choose the term that accurately reflects the desired meaning, avoiding confusion with "level of efficiency". When writing, remember that "level of efficacy" is most suited for formal communication or when precision is needed, especially when reporting results or drawing research-based conclusions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
degree of effectiveness
Focuses on the intensity or extent of the effectiveness.
efficacy rate
A more concise way to express the rate of effectiveness.
rate of effectiveness
Refers to how quickly or efficiently something achieves the desired result.
extent of impact
Emphasizes the scope or range of the effect produced.
success rate
Focuses specifically on the proportion of successful attempts or outcomes.
measure of success
Highlights the successful outcome or achievement.
potency level
Emphasizes the strength or power of something to produce an effect.
effectiveness quotient
Implies a calculated value representing the effectiveness.
performance level
Describes the standard or quality of performance achieved.
capability index
Suggests a quantified measure of capability or potential.
FAQs
How is "level of efficacy" typically measured?
The measurement of "level of efficacy" depends on the context but often involves quantifying the desired outcome, such as reduction in symptoms, increased performance, or success rate. Statistical analysis is commonly used to determine the significance of the results.
What are some alternatives to using "level of efficacy" in academic writing?
In academic writing, you can use phrases such as "degree of effectiveness", "extent of impact", or "measure of success" depending on the specific nuance you want to convey.
How does "level of efficacy" differ from "level of efficiency"?
"Level of efficacy" refers to the ability to produce a desired or intended result, while "level of efficiency" refers to the ability to avoid wasting materials, energy, efforts, money, and time in doing something.
Is it appropriate to use "level of efficacy" in informal communication?
While "level of efficacy" is more common in formal and scientific contexts, it can be used in informal communication if the audience understands the meaning. However, simpler terms like "effectiveness" or "success rate" might be more suitable for general audiences.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested