The phrase "ascertained throughout" is correct and usable in written English.
It can be used when discussing information or findings that have been confirmed or verified across various contexts or instances.
Example: "The results of the study were ascertained throughout multiple trials, ensuring their reliability."
Alternatives: "confirmed across" or "verified throughout".
Seeking guidance from a member of one of rock's most salacious bands might sound a little incongruous to some, but Duff McKagan of Guns N' Roses is intent on sharing some of the wisdom ascertained throughout his career in a new book entitled How to Be a Man (And Other Illusions).
Was the exposure ascertained throughout?
Supplement use was ascertained throughout pregnancy using questionnaires in the first, second and third trimesters.
Although not a prespecified primary end point of the WHS, clinical diabetes was a key outcome of interest and prospectively ascertained throughout the duration of the trial.
The risk profile of childhood leukaemia in Greece was studied through a case-control investigation that included all 153 incident cases of the disease, ascertained throughout the country during 1993 and 1994, and two hospital controls for every case matched for gender, age and place of residence.
The occurrence of clinical diabetes was ascertained prospectively throughout the trial.
The GLACIER (Genetics of lobular carcinoma in situ in Europe) study, MREC 06/Q1702/64, has ascertained patients from throughout the UK with the aim of understanding genetic predisposition to LCIS and/or ILC.
Strengths of this study include the use of a population-based birth defects registry that employs an active surveillance system to ascertain cases throughout the state of Texas.
Intra examiner variability was done by randomly repeating 10% of the radiographs to ascertain consistency throughout the study with a reproducibility of 89%.
Composite membranes with zeolite content up to 40 vol.% exhibited uniform distribution of the zeolite fillers throughout the thickness, as ascertained by scanning electron microscopy (SEM), energy dispersive X-rays absorption (EDX) and ion conductivity measurements.
The distribution of the pregnant women ascertained for flu symptoms in South Reunion maternities throughout the 2009 pdm wave is presented in Fig. 1.
