Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
grades of severity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "grades of severity" is correct and usable in written English.
It can be used when discussing different levels or degrees of seriousness or intensity regarding a particular issue or condition. Example: "The doctor explained the grades of severity for the patient's condition, ranging from mild to critical."
✓ Grammatically correct
Science
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
56 human-written examples
BPD is defined by the need for supplemental oxygen and/or ventilator support for longer than 28 days, or beyond 36 weeks post-menstrual age, and is classified into three different grades of severity (mild, moderate, severe) [2].
Based on a large body of observations in experimental animals and human pathological specimens, a definition of reactive astrogliosis has recently been proposed includes several grades of severity of reactive astrogliosis and glial scar formation that may be encountered in experimental and clinical histopathological examinations (Sofroniew, 2009; Sofroniew and Vinters, 2010).
Science
In relation to the severity of the TBI studied, forty five models (44%) included all grades of severity, thirty one (30%) included severe TBI, nine (9%) moderate or severe TBI, nine (9%) mild TBI and in eight (8%) the severity of TBI was not clearly reported.
The proportion of injurious falls to all falls reported substantially increases if several symptoms of different grades of severity are included into a single definition.
The Atlanta Classification defines three grades of severity based on clinical criteria, namely mild pancreatitis, moderately severe pancreatitis, and severe pancreatitis [ 2].
Science
Injuries are of three main grades of severity.
Encyclopedias
The guidelines divide concussions into three grades of severity, with a prolonged knockout being the worst.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
Consequently, later versions of the database not only expanded the range of impairments but also introduced a simple grading of severity ("None", "Mild", "Moderate", "Severe").
Laparoscopic grading of severity of pelvic inflammatory disease seems accurate.
Academia
A panel of experts has recently proposed a biochemical grading of severity of hyponatremia [68].
Science
US detection of steatosis is currently reasonably accurate but grading of severity is of limited accuracy.
Science
Expert writing Tips
Best practice
When discussing medical conditions or research, use "grades of severity" to clearly differentiate between the levels of impact on patients.
Common error
Ensure that the grading scale used is consistently applied across all cases. Arbitrary or subjective grading can undermine the validity of your analysis.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "grades of severity" functions as a noun phrase, often used as an object or complement to a verb. It serves to classify or categorize the intensity or impact of a given condition or event. Ludwig AI confirms its correctness and usability in written English.
Frequent in
Science
90%
News & Media
5%
Encyclopedias
2%
Less common in
Wiki
1%
Formal & Business
1%
Reference
1%
Ludwig's WRAP-UP
The phrase "grades of severity" is a grammatically correct and frequently used term, especially within scientific and medical domains, to categorize the intensity or impact of various conditions. Ludwig AI confirms its validity and suggests alternatives like "levels of severity" or "degrees of severity". While primarily formal and scientific, understanding its usage is crucial for clear communication in professional and technical contexts. Consistent application of grading scales is vital to avoid undermining the validity of assessments. The phrase's high frequency and authoritative sources underscore its importance in describing and differentiating levels of seriousness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
levels of severity
Replaces "grades" with "levels", emphasizing different points on a scale of intensity.
degrees of severity
Substitutes "grades" with "degrees", focusing on the extent or measure of seriousness.
categories of severity
Replaces "grades" with "categories", highlighting distinct classifications based on seriousness.
stages of severity
Substitutes "grades" with "stages", indicating progression through different phases of seriousness.
scales of severity
Replaces "grades" with "scales", suggesting a graduated range of intensity.
classes of severity
Substitutes "grades" with "classes", emphasizing distinct groups based on seriousness.
levels of seriousness
Replaces "severity" with "seriousness", using a synonym to describe the degree of gravity.
degrees of intensity
Substitutes both "grades" and "severity" with "degrees" and "intensity", respectively, focusing on the magnitude of impact.
levels of impact
Focuses on the effect or consequence, rather than the inherent seriousness.
degrees of effect
Similar to 'levels of impact', this highlights the range of consequences.
FAQs
How is "grades of severity" typically used in a sentence?
The phrase "grades of severity" is used to classify the intensity or impact of a condition or situation, such as in the sentence "The doctor explained the "grades of severity" for the patient's illness".
What are some alternatives to using "grades of severity"?
Alternatives to "grades of severity" include phrases like "levels of severity", "degrees of severity", or "categories of severity", depending on the specific context.
In what fields is the term "grades of severity" most commonly used?
The term "grades of severity" is frequently used in medical, scientific, and technical contexts to categorize and describe the intensity or impact of various conditions or phenomena.
Is it better to use "grades of severity" or "stages of severity"?
The choice between "grades of severity" and "stages of severity" depends on whether you're describing a continuous spectrum of intensity (grades) or distinct phases of progression (stages).
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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