The phrase "a prevalent case" is correct and usable in written English.
It can be used to describe a situation or example that is common or widespread in a particular context.
Example: "In recent studies, a prevalent case of misinformation has been identified in social media platforms."
Alternatives: "a common instance" or "a widespread example."
Our definition of a prevalent case of epilepsy was based on International Classification of Diseases-coded diagnoses of epilepsy or seizures and evidence of prescribed antiepileptic drugs.
For example, a person who is newly diagnosed with diabetes is an incident case, whereas a person who has had diabetes for 10 years is a prevalent case.
In addition, if a patient presented as a new VA patient but with longstanding OID, that patient would have been classified as an incident case as opposed to a prevalent case.
Throughout this period 2 cases of infection were identified; one was a prevalent case (code 13 table 3) and the other was an incident case with a very different resistance phenotype from the cases previously occurred (excluded case; case 14 table 3).
Any individual fulfilling the case definitions of gout was defined as a prevalent case.
Among them was a 81 year old female patient, already known to be a prevalent case infected with genotype 2c HCV, who was dialysed in the morning.
This was a prevalent case-control study comparing cases with AD to cognitively normal controls.
A co- prevalent case was defined as someone who was diagnosed with TB within two months after enrollment of the index case [14].
The independent effect of CMD on infant nutritional status was evaluated by defining three main exposure variables: (a) antenatal prevalent case, (b) postnatal prevalent case, and (c) four level categorical exposure variable ("no exposure at both time points" (reference), only antenatal exposure, incident postnatal, and "chronic" or persistent exposure) of CMD.
Participants were considered a prevalent diabetic case subject when they used antidiabetes medication or had a nonfasting or postload glucose concentration ≥11.1 mmol/L.
The prevalence of diabetes by diabetes type and age-group is shown in Fig. 1 A and B. The one prevalent case of type 2 diabetes in a youth aged <10 years is excluded from these figures.
