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
intensity of illness
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "intensity of illness" is correct and usable in written English.
It can be used to describe the severity or strength of a person's illness or medical condition. Example: "The doctor assessed the intensity of illness before deciding on the appropriate treatment plan."
✓ Grammatically correct
Science
News & Media
Alternative expressions(3)
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
2 human-written examples
Lifestyle choices have a dramatic impact on the frequency and intensity of illness and injury.
News & Media
It is also influenced by enabling factors, such as the availability of health facilities, the accessibility to health services, the quality of services, and costs as well as the characteristics of disorder (intensity of illness and number of spells) [ 4- 11].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The research combines medical records and epidemiological tools to show the intensity of the illness, measured by individual's viral load, the number of viral particles in a patient's bloodstream.
News & Media
These findings may suggest that the intensity of critical illness is probably the common denominator of BNP rise and decrease in critical sepsis patients.
Science
The intensity of critical illness, as indicated by APACHE II and maximum SOFA scores [ 23], as well as peak noradrenaline dose on day 1, showed independent associations with BNP values.
Science
To reveal the phenotypic features of CM, we compared headache frequency, duration of attack, intensity, and duration of illness according to the presence of accompanying symptoms.
We investigated: (a) serum levels of stress neuropeptides (ACTH, substance P (SP), neuropeptide Y (NPY), cortisol, prolactin) in critically ill individuals compared to matched controls, (b) associations with lymphocyte counts, (c) associations among stress neuropeptide levels, and (d) associations with perceived intensity of stress, critical illness severity and survival.
Science
The Adult (acute) Criteria contain clinical subsets grouped by body system or broad clinical categories, with each subset containing severity of illness, intensity of service and discharge review criteria.
Science
Duration of illness and intensity scores (VAS) were also similar for both genders.
Greater headache intensity (VAS) and longer duration of illness (in months) were significantly associated with the existence of all accompanying symptoms, including nausea, vomiting, phonophobia, photophobia, dizziness, vertigo, and osmophobia (see Tables 5 and 6 for intensity and duration, respectively).
To meet appropriateness for admission, patients must meet severity of illness and intensity of service criteria.
Science
Expert writing Tips
Best practice
When discussing medical research or patient care, use "intensity of illness" to objectively describe the severity of a patient's condition, particularly when comparing different groups or evaluating treatment effectiveness.
Common error
Avoid using "intensity of illness" in casual conversation or informal writing. Simpler terms like "severity" or "how sick someone is" are often more appropriate.
Source & Trust
82%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "intensity of illness" functions as a noun phrase, typically acting as the subject or object of a sentence. As supported by Ludwig, it serves to identify and quantify the degree or severity of a particular sickness or medical condition.
Frequent in
Science
60%
News & Media
20%
Formal & Business
10%
Less common in
Wiki
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "intensity of illness" is a noun phrase used to describe the severity or degree of a medical condition. As Ludwig AI confirms, it's grammatically correct and most frequently used in scientific and medical contexts. While not incorrect, its formal tone might not be suitable for casual conversation. Consider alternatives like "severity of disease" or "degree of sickness" depending on the context and audience. Remember that objective and accurate language is important when discussing medical research or patient care.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
severity of disease
Replaces "illness" with "disease" and "intensity" with "severity", focusing on the gravity of the condition.
seriousness of the ailment
Substitutes "intensity" with "seriousness" and "illness" with "ailment", indicating the critical nature of the health problem.
degree of sickness
Uses "degree" instead of "intensity" and "sickness" instead of "illness", quantifying the level of being unwell.
acuteness of the condition
Replaces "intensity" with "acuteness" and "illness" with "condition", highlighting the sharp or severe nature of the health state.
extent of the malady
Employs "extent" in place of "intensity" and "malady" for "illness", emphasizing the scope or range of the disease.
gravity of the affliction
Replaces "intensity" with "gravity" and "illness" with "affliction", stressing the weighty or critical aspect of the health issue.
strength of the infection
Focuses specifically on infections, using "strength" to denote the power or force of the illness.
level of morbidity
Uses the medical term "morbidity" to describe the state of being diseased, indicating the overall impact of the illness.
impact of the disease
Focuses on the effect of the illness rather than the intensity, considering broader consequences of the disease.
clinical severity
A more concise and clinically focused phrase emphasizing the overall severity from a medical perspective.
FAQs
What does "intensity of illness" mean?
The "intensity of illness" refers to the degree or severity of a disease or medical condition. It describes how strongly the illness affects a person's health and well-being.
How is the "intensity of illness" measured?
The "intensity of illness" can be measured using various clinical assessments, such as viral load tests, APACHE II scores, or patient-reported symptom scales. These methods help quantify the severity of the illness.
What are some alternative phrases for "intensity of illness"?
You can use alternatives like "severity of disease", "seriousness of the ailment", or "degree of sickness" depending on the context.
How does the "intensity of illness" affect treatment decisions?
The "intensity of illness" is a crucial factor in determining the appropriate course of treatment. More severe illnesses may require more aggressive interventions, while milder cases may be managed with supportive care.
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
4.4/5
Expert rating
Real-world application tested