Sentence examples for are ascertained over from inspiring English sources

In population-based case-control studies, incident or prevalent cases in the studied population are ascertained over a certain time period, while the controls are randomly selected from the same source population.

Mortality, an important outcome in epidemiological studies, generally has to be ascertained over long follow-up periods.

CVD events were ascertained over a median of 15 years.

Incident coronary heart disease and stroke events were ascertained over 9 years.

Data on patient demographics, clinical, and treatment characteristics (Charlson Comorbidity Index 27) were ascertained over the 12-month preindex period.

Cell death no longer occurred after that period and phenotype stability was ascertained over several cell passages in the absence of lovastatin [ 11].

As far as can be ascertained, over 80% of the worldwide epidemiological data that have been assembled on the relationship between breast cancer and alcohol and tobacco consumption were contributed to this collaboration.

From experimental data, ThHl4 and ThHl2 are ascertained to prevail over ThHl3.

Unselected CRC cases with histologically confirmed colorectal adenocarcinomas (1471 men; 1087 women; mean age at diagnosis 61 years; standard deviation (s.d).±11.4) were ascertained through over 100 centres in the UK.

Till now, the genetic consequences of these forced trans-Saharan movements of people have not been ascertained, being over-shadowed by the Atlantic slave trade towards the New World.

Significance was ascertained for these parameters over 10,000 permutations.