age of onset vs age at onset

Both "age of onset" and "age at onset" are correct and commonly used phrases in English. They are interchangeable and can be used depending on personal preference or specific context.

Last updated: April 09, 2024 • 175 views

This phrase is correct and commonly used in English.

"age of onset"

This phrase is used to refer to the age at which a particular condition or disease first appears or is diagnosed.

Examples:

The age of onset for schizophrenia is typically in early adulthood.
The age of onset for diabetes varies depending on genetic and lifestyle factors.

Show examples from the web [+]

Such increases in the number of repeats (and hence earlier age of onset and severity of disease) in successive generations is known as genetic anticipation.
A normal variation in the PRNP gene can modify the course of the disease by delaying the age of onset and affecting the type of symptoms that develop.
It occurs in Doberman pinschers, with an age of onset from six months to seven years.
Variations in the genes, which encode the CB1 receptor, were associated with the age of onset in 473 patients with Huntington disease.
Their peak productivity will start next summer. Home mesojednik breeds the age of onset of egg production occurs later, after about 6 months.
The results, in accordance with the international and national literature, show that the age of onset of the use/abuse of alcohol, caffeine and nicotine is an increasingly early age and they allow to propose preventive strategies for real control of the phenomenon.
Knudson observed that the age of onset of retinoblastoma followed 2nd order kinetics, implying that two independent genetic events were necessary.
Males and females are affected in an equal ratio, and the peak age of onset between 10 and 19 years.
Usually, the age of onset is usually after the age of 55.
Peak age of onset is between 6-8 years of age, but onset can range from 5 months to 71 years.
The congenital form becomes apparent at 6-8 weeks of age. The acquired form has a bimodal age of onset.
As for the age of onset, it ranges from infancy (Type I) to adulthood (Type III).
Age of onset of puberty is influenced by many factors such as genetics, nutritional status, ethnicity and environmental factors including socio-economic conditions and geographical location.
Age of onset six months to six years
Although there is no such thing as a "typical" case of Tourette syndrome, the condition follows a fairly reliable course in terms of the age of onset and the history of the severity of symptoms.
A longer repeat results in an earlier age of onset and a faster progression of symptoms.
The age of onset is often in puberty.
However, there may be features such as age of onset and motor skill deficits which differentiate the two conditions.
The mean age of onset is around 60 years, although 5-10% of cases, classified as young onset PD, begin between the ages of 20 and 50.
In general, age of onset occurs after 20 years of age, in contrast to allergic rhinitis which can be developed at any age.

Alternatives:

onset age
age when symptoms first appear

This phrase is correct and commonly used in English.

"age at onset"

This phrase is also used to refer to the age at which a particular condition or disease first appears or is diagnosed.

Examples:

The study focused on the age at onset of Alzheimer's disease.
The age at onset of depression can vary widely among individuals.

Show examples from the web [+]

Science/Human: CB1 receptor variations associated with age at onset in Huntington disease
There is evidence that both age at onset and number of prior episodes are related to recurrence.
The two most important factors in the diagnosis of idiopathic epilepsy is the age at onset and the seizure pattern (type and frequency).
A decline of age at onset of puberty from 17 years of age to 13 years of age has occurred over a period of 200 years until the middle of the 20th century.
In Microscopic Polyangiitis, the average age at onset is about 50 years.
The average age at onset is 50; cases have reported in people between 15 and 90 years old.
Although the mean age at onset is 50 years, the disease does occur in children.
Cognitive decline and dementia, old age at onset, a more advanced disease state and presence of swallowing problems are all mortality risk factors.
With 68 years in women and 69 years in men, the medium age at onset of disease in lung cancer is approximately the same as in all cancer types in total.
In a retrospective natural history study in patients with infantile-onset Pompe disease (n=168), the median age at onset of symptoms was 2.0 months and the median age of death was 9.0 months.

Alternatives:

onset age
age when symptoms first appear

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age of onset vs age at onset

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