Sentence examples for ascertained over a from inspiring English sources

CVD events were ascertained over a median of 15 years.

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.

6 7 8 9 10 11 12 13 By contrast, we present survival curves and life expectancy estimates with a comparatively high level of precision based on 3280 deaths ascertained over an 11 year follow-up period among 15 100 people enumerated in shelters, rooming houses, and hotels across Canada.

The classic cohort study, in which baseline alcohol drinking is related to deaths ascertained over an extended follow-up period of years or even decades, is not well suited to detecting acute alcohol-related deaths such as sudden cardiac death that may be precipitated by an episode of heavy drinking.

The National Down Syndrome Cytogenetic Register is a unique resource that has ascertained over 93% of diagnoses of Down's syndrome in all of England and Wales over 19 years.

The primary endpoint will be a composite outcome of neonatal asphyxia (defined as a neonatal pH ≤ 7.05 and/or 5 minute Apgar score <7) and/or post partum haemorrhage (defined as an estimated blood loss of ≥1000 cc ascertained over 24 h post partum).

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

Adjudicated outcomes were prospectively ascertained over the ensuing 3 years for all subjects after enrollment.

Overall, we ascertained over 80,000 autosomal and X-chromosomal AIMs from over 450 worldwide populations (fig. 1).

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