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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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level of efficacy

Grammar usage guide and real-world examples

USAGE 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

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

The New York Times

(This level of efficacy — far from ideal — is typical across a range of conditions in which antidepressants outperform placebos).

News & Media

The New York Times

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

Huffington Post

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

Plosone

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

Plosone

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

Plosone
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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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Very common

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.

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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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: