The phrase "a prevalence of at" is not correct and does not make sense in written English.
It seems to be a misconstructed phrase and lacks clarity in meaning.
Example: "There is a prevalence of at-risk youth in urban areas."
Alternatives: "a prevalence of" or "a high occurrence of".
A sedentary lifestyle is a controllable cardiac risk factor with a prevalence of at least twice that of smoking, high blood pressure, and elevated cholesterol.
Major depressive disorder (MDD) is a common and severe mental disorder with a prevalence of at least 10% in the general population [1] [2].
A sample size of 400 tuberculosis patients per district was selected, based on the minimum number of patients needed to detect a prevalence of at least 5% HIV infection, with 95% confidence and 40% precision.
Therefore, to limit the number of SDRMs without sacrificing sensitivity, we included only established drug-resistance mutations, which with one exception (the etravirine-associated mutation V179F) occurred at a prevalence of at least 0.5% in one or more subtypes from ARV-experienced individuals.
Six chronic diseases were selected, each having a prevalence of at least 1% (e.g. diabetes mellitus).
This is in apparent contrast to our findings, showing a prevalence of at least 20.6% in 36 pancreatic fluid specimens.
Unadjusted prevalence of restraint use also varied substantially in both samples, with facilities in the third quartile having a prevalence of of at least 14.5% in the pilot data and 10.2% in the OMHRS data.
We found a prevalence of 9 at baseline and almost 21%% at follow-up; the patients with MCI and AD did not differ in their depression rate.
Recent data from a cohort of 6159 consecutive outpatients with stable CHF revealed a prevalence of anaemia at baseline of 17%, with new-onset anaemia developing at 6-month follow-up in 16% of patients without prior anaemia.
Using Goldstein diagnostic criteria, Typpo [10] reported a prevalence of MODS at PICU entry of 18.6 %; we noted a prevalence of 37.3 %.
Former studies have reported a prevalence of AKI at ICU admission between 22% and 36% [ 3- 5].
